63 results about "Heart position" patented technology

The invention provides a non-contact heart sound monitoring method and system, a terminal and a medium, and particularly relates to the technical field of biomedical engineering.The non-contact heart sound monitoring method comprises the steps that lasers of different wavebands are used for conducting multi-point synchronous monitoring on the heart, and a defocus speckle image is obtained; performing signal extraction on the out-of-focus speckle image to obtain heart movement signals corresponding to multiple wavebands; and filtering the heart movement signals corresponding to the multiple wavebands to obtain heart sound signals. According to the scheme, the characteristic of out-of-focus independent interference imaging of the multi-band laser is utilized, multi-point synchronous monitoring is carried out on micro movement of the heart position in the thoracic cavity through the laser of different bands, the heart sound can be monitored in a non-contact mode, the requirement for measuring environment noise can be lowered, meanwhile, the detection precision is guaranteed, and the detection efficiency is improved. And the comfort of the target living body can be improved.

The invention discloses a CCTA image-based full coronary artery tree complete automatic segmentation and blood vessel center line extraction system, and the system comprises a positioning module which is used for carrying out the positioning and extraction of a heart according to a CCTA image; the extraction module is used for performing primary extraction of coronary artery tree segmentation according to the CCTA image after heart positioning to obtain a coronary artery tree; the repairing module is used for extracting the center line of the blood vessel based on the extracted coronary artery tree, and extending the center line at the breakpoint to connect the fractures, or further extending the incomplete center line to the tail end of the blood vessel to obtain a repaired center line; the supplementing module is used for supplementing the coronary artery tree structure and repeating the steps of blood vessel repairing and coronary artery tree supplementing to obtain a coronary artery blood vessel area; and the reconstruction module is used for obtaining a coronary artery tree blood vessel result according to the multiple planes of the reconstructed blood vessel. According to the method, full-automatic accurate extraction of the complete coronary vessel tree can be realized, and technical innovation and clinical application of coronary imaging are promoted.

The invention relates to the technical field of radar measurement, and discloses a millimeter wave radar-based heart rate high-precision measurement method and system, and the method comprises the steps: searching a thoracic cavity target through a frequency modulation continuous wave radar, positioning a heart position, and extracting a complex signal corresponding to the heart motion; performing calculation of different dimensions on the complex signal, and obtaining a preliminary heart rate value through mutual verification of calculation results; through a three-level verification mechanism of motion interference elimination, clutter interference elimination and breathing harmonic interference elimination, confidence degree checking is conducted on the initial heart rate value, and a high-reliability result is reserved; based on a high-reliability result of the preliminary heart rate value, data in the recent preset time period are calculated with higher precision, and the final heart rate value is output, so that the accuracy rate of radar measurement of the heart rate can be greatly improved, meanwhile, multiple interferences are effectively inhibited, low-cost hardware is adapted, the applicability to broad-spectrum crowds and complex scenes is enhanced, only the high-reliability heart rate value is output, and the method is suitable for popularization and application. And the heart rate instantaneous change is dynamically responded.

Methods of generating a graphical representation of cardiac information on a display screen are provided. The method comprises: electronically creating or acquiring an anatomical model of the heart including multiple cardiac locations; electronically determining a data set of source information corresponding to cardiac activity at the multiple cardiac locations; electronically rendering the data set of source information in relation to the multiple cardiac locations on the display screen. Systems and devices for providing a graphical representation of cardiac information are also provided.

A pad carrying an array of ECG electrodes can be used to measure ECG signal amplitudes and AMSA, a signal analyzer determines a cardiac position with respect to the pad, and an indication of cardiac position with respect to indicia can be provided on a top surface of the pad for output to the user to guide in performing chest compressions during CPR. The pad may integrate a defibrillator electrode. The apparatus may be an automated external defibrillator (AED).

According to the arteriosclerosis detection method and device, the upper arm blood pressure is obtained based on the heart and ankle vascular index CAVI; systolic pressure Ps and diastolic pressure Pd are obtained; calculating to obtain a pulse pressure difference delta P, wherein the pulse pressure difference delta P = systolic pressure Ps-diastolic pressure Pd; measuring to obtain the distance Lca from the heart aortic valve to the ankle; measuring to obtain the time difference Tca of the pulse wave propagating from the heart to the ankle; a heart and ankle vascular index CAVI is obtained through calculation according to the following formula; # imgabs0 # is used for measuring and obtaining a pulse wave starting point time point TA1 of the ankle; measuring a pulse starting point TA2 of brachial artery pulse waves, and calculating TA1 to TA2 to obtain a time difference Tba; measuring to obtain a heart sound signal of cardiac pulsation, and obtaining a time difference T2 between a second heart sound and a first incision of the brachial artery; the time difference Tca is equal to the sum of the time difference Tba and the time difference T2. At least three blood pressure measuring devices and at least three electrocardio detection electrodes are arranged; the heart sound detection module is in electric signal connection with the heart sound detection sensor through a signal line; the heart sound detection sensor is used for being placed at the heart position of a detected person to obtain heart sound signals.

The present invention discloses a portable cardiopulmonary resuscitation first aid skill training device, system and training method thereof, the training device comprising: an inflatable manikin component and a cardiopulmonary resuscitation data acquisition device; the inflatable manikin component constitutes the upper body structure of the human body, and the cardiopulmonary resuscitation data acquisition device is installed at the heart position of the inflatable manikin component; the inflatable manikin component comprises a half-body inflatable manikin, a compression spring mechanism, an artificial respiration air-filled lung bag, a chest skin and a facial skin; the compression spring mechanism and the artificial respiration air-filled lung bag are both arranged in the half-body inflatable manikin, and the compression spring mechanism is arranged opposite to the cardiopulmonary resuscitation data acquisition device; the half-body inflatable manikin comprises an inflatable head and an inflatable chest portion, the chest skin is detachably arranged on the inflatable chest portion, and the facial skin is detachably arranged on the inflatable head. The present application improves the portability of the cardiopulmonary resuscitation first aid skill training device.

The present invention is a method for evaluating the disease resistance of abalone based on infrared heartbeat detection, and the steps include: laboratory taming of abalone to be detected; connecting an abalone heartbeat detection device and turning it on, pasting an infrared probe on the shell surface near the heart position of abalone, obtaining the abalone heartbeat signal through an infrared probe, amplifying it with an AMP03 amplifier, and collecting it with a Powerlab signal receiver, and then importing it into a computer for analysis; injecting abalone-derived pathogenic bacteria from the upper foot position of the abalone to be tested; using LabChart software to continuously record the abalone heartbeat signal in real time during the pathogen stress process, and statistically analyzing the heart rate after the acquisition; according to the heartbeat law of abalone during the stress process, developing two indicators of the pathogen stress heart rate inflection point CBTB and the pathogen stress heart rate zero point CZTB, and evaluating the disease resistance of abalone according to the CBTB and CZTB numerical values. The evaluation method of the present invention has the advantages of real-time, accuracy, intuitiveness, quantification, etc., can realize the synchronous evaluation of a large number of experimental abalone, and can be applied to the comparative study of pathogen tolerance between different groups or genotypes of abalone.

The utility model discloses an anti-bump cup and an anti-bump bra. The anti-bump cup comprises a front collar structure, a cup body structure and a lower support structure, the cup body structure is of an L-shaped structure and comprises a body part extending from the heart-shaped milk passing point position to the clamping and bending position and a front shoulder strap part formed by extending upwards from the edge, close to the clamping and bending position, of the body part. The lower support structure is fixedly combined with the lower edge of the body part, the front collar structure is located between the body part and the front shoulder strap part, the lower edge of the front collar structure is fixedly combined with the upper edge of the body part, and the side, away from the heart-shaped position, of the front collar structure is fixedly combined with the front shoulder strap part; the thickness of the front collar structure is smaller than that of the cup body structure, and the thickness of the lower support structure is smaller than that of the cup body structure. The body parts and the front shoulder strap parts at the cup body structures are designed to be L-shaped integrally, so that the lateral thrust is enhanced, the lifting and supporting force and the gathering effect of the bra are remarkably improved by increasing the overall stress area, the stability after wearing is guaranteed, and the slender effect of the neck of a woman is visually improved by the connected front shoulder strap parts.

The utility model discloses a patch device capable of quickly assisting in positioning the heart position, which relates to the field of heart treatment and comprises a patch, a control center is fixedly connected inside the patch, a contact plate is arranged below the control center, four side surfaces of the contact plate are fixedly connected with miniature hinges, and the miniature hinges are fixedly connected with the control center. The ends, away from the contact plate, of the four micro hinges are fixedly connected with rotating plates, and the top faces of the four rotating plates are fixedly connected with abutting blocks. The four induction lamps are arranged on the surface of the patch, the inductors are arranged at the bottoms of the induction lamps, the rotating plate is arranged at the bottom of the patch, the abutting blocks are arranged on the surface of the rotating plate, when the abutting blocks make contact with the inductors, the induction lamps can be turned on at the moment, it is indicated that the position of the searched heart deviates, and movement needs to be conducted; and when the four induction lamps are not turned on, the heart position is in the central position of the patch, so that the heart position can be quickly found.

The invention belongs to the field of heart nursing, and particularly relates to a heart nursing device with a phototherapy function, the heart nursing device comprises a shell and a movable patch used for being pasted to a human body, the shell is connected with the movable patch through a magnetic attraction buckle, and an irradiation hole is formed in the movable patch; a plurality of irradiation windows are formed in the bottom of the shell and correspond to the irradiation holes; a power supply part, a driving plate and a lamp panel are arranged in the shell, a display window is formed in the top of the shell, a plurality of illuminators are arranged on the lamp panel and correspond to the illumination window, a charging pcb is arranged on the driving plate, the power supply part and the lamp panel are electrically connected with the driving plate, a connecting hole is formed in the side edge of the shell, and the connecting hole is communicated with the display window. A connecting piece is arranged at the position of the connecting hole and used for being connected with a hanging rope, the device can be fixed to the heart of the human body through the movable patch, light therapy is conducted on the heart through the irradiation window, and therefore the effects of assisting in treating cardiovascular and cerebrovascular diseases, promoting blood circulation, expanding blood vessels and avoiding symptom aggravation are achieved. And a connecting piece penetrates through a hanging rope to be worn on the human body, so that the anti-falling device is further prevented from falling off, and the anti-falling device is easy to carry.

The application discloses an intelligent wearing system and a control method thereof, and relates to the technical field of wearable devices. The intelligent wearing system comprises a first intelligent hand wearing device, wherein the first intelligent hand wearing device comprises a pressure sensor, a bone voiceprint sensor, a first processor and a first communication module. The bone voiceprint sensor is arranged on the outer surface of the first intelligent hand wearing device and is used for collecting a bone voiceprint signal representing a heart rate when being attached to a heart position and sending the bone voiceprint signal to the first processor. The pressure sensor is used for detecting a pressure value at the bone voiceprint sensor and sending the pressure value to the first processor. The first processor is used for uploading the bone voiceprint signal to a terminal device in communication connection with the intelligent wearing system through the first communication module when the pressure value is within a preset pressure value range. When the first intelligent hand wearing device is an intelligent ring, the heart rate detection can be carried out without being affected by skin color, body sweat and a detection posture.

The invention relates to the technical field of biological signal acquisition, and provides a chest impedance and electrocardiosignal parallel acquisition system and method based on a common electrode. The excitation single-chip microcomputer is used for generating excitation sine waves; the constant current source is used for generating excitation current based on the excitation sine wave; the matrix switch network is used for simulating the multiplexer by a plurality of chips, and each chip independently controls and selects paired excitation electrodes and receiving electrodes in a plurality of electrodes; the differential receiving circuit is used for collecting the thoracic impedance signals of the receiving electrodes in a differential mode; the electrocardio integrated chip is connected with the electrode at the heart position in the plurality of electrodes and is used for collecting electrocardio signals; the receiving single-chip microcomputer is used for correcting the chest impedance signal through the electrocardiosignal and calculating the impedance amplitude based on the chest impedance signal. And the accuracy of lung function evaluation is effectively improved.

The invention discloses a cardiopulmonary resuscitation pressing depth limiting device, and relates to the technical field of first-aid equipment, the cardiopulmonary resuscitation pressing depth limiting device comprises a shell, an outer rod and an inner rod are slidably arranged in the shell, a pressing depth adjusting assembly used for limiting the cardiopulmonary resuscitation pressing depth is arranged on the shell and the outer rod, and a pressing assembly is arranged at the bottom of the inner rod; driving assemblies are arranged at the tops of the outer rods; the outer rod after rough adjustment is fixed through a rough adjustment fixing mechanism in the pressing depth adjusting assembly, the inner rod is finely adjusted according to the spacing distance of each positioning hole, and a fine adjustment fixing mechanism is used for fixing, so that the pressing depth is adjusted to be within a recommended range, and a driving motor in the driving assembly drives a rotating disc to rotate; an inner rod is driven to slide up and down through a sliding rod and a driving sliding groove, and the heart position of the patient is pressed through a pressing block located at the bottom of the inner rod and a hydraulic telescopic rod; the device has the advantages of being high in adjusting precision, convenient to use, simple in structure and convenient to carry.

The utility model discloses a one-piece mold cup and a bra applying the same, and relates to the field of clothing. The one-piece mold cup comprises two cup bodies and a heart-shaped position, the heart-shaped position is located between the two cup bodies, the heart-shaped position and the cup bodies are integrally formed and connected, and a plurality of air holes are formed in the cup bodies and the heart-shaped position; a main groove and an auxiliary groove are formed in the inner side surface of the cup body; the upper end of the main groove is located in the middle of the side edge of the cup body, the lower end of the main groove is located on the lower edge, close to the heart-shaped position, of the cup body, and the main groove is integrally in an arc shape bent towards the lower edge of the cup body. The upper end of the auxiliary groove is connected with the main groove, and the lower end is located below the cup body. According to the conjoined mold cup, the main groove and the auxiliary groove are formed in the inner side surface of the cup body, the better ventilation, heat dissipation and sweat guiding effects are achieved, the heart-shaped position and the cup body are of an integrated connection structure, the tension strength of the heart-shaped position can be improved, the cup is not prone to running, and the breast shape is prevented from expanding outwards.

The invention provides a vena cava retrograde perfusion simulation training device, and belongs to the field of medical engineering. The simulation training device provided by the invention is provided with the simulation person containing the heart position container, can reproduce the operation situation of vena cava retrograde perfusion in real extracorporeal circulation, and provides real-time feedback. The simulation training device simultaneously comprises a main pump, an inferior vena cava retrograde perfusion pump A, a superior vena cava retrograde perfusion pump B, and a first pressure sensor, a second pressure sensor and a third pressure sensor which are used for measuring the pressure of the inferior vena cava retrograde perfusion pump A and the superior vena cava retrograde perfusion pump B. The vena cava retrograde perfusion simulation training device can simulate a human body circulation system, and can perform simulation training of similar clinical brain retrograde perfusion combined with inferior vena cava retrograde perfusion technology, superior vena cava retrograde perfusion technology and brain priority whole body retrograde perfusion technology on employees.

The utility model discloses a structure stable type bra with detachable and replaceable baffle piece, including bra main part and detachable and replaceable baffle piece. Bra main part includes bra cup part, and the both sides of bra cup part are equipped with first side ratio and second side ratio respectively, and first, second side ratio respectively through axillary extension to back and correspond to form first, second back ratio, bra cup part includes first cup, second cup and heart position, the upper edge of first cup is equipped with first connecting position, and the upper edge of second cup is equipped with second connecting position, and heart position is equipped with third connecting position, and the lower extreme of first side ratio is equipped with fourth connecting position, and the lower extreme of second side ratio is equipped with fifth connecting position, and the terminal of first back ratio is equipped with sixth connecting position, and the terminal of second back ratio is equipped with seventh connecting position, and through the layout of multiple connecting positions, the structure stability of bra is strengthened, and detachable and replaceable baffle piece is detachably connected on external surface through multiple movable connecting pieces. The detachable connection of detachable and replaceable baffle piece realizes the convenience of use and maintenance.

The present application relates to the technical field of medical devices, in particular to a medical device for ICU intensive care unit, comprising a bearing shell, a step type advancing dosing member and an infusion control system are integrated in the bearing shell, a height adjusting cavity is arranged in the bearing shell, the advancing dosing member is vertically and slidingly connected in the height adjusting cavity, and an adjusting driving assembly is arranged in the height adjusting cavity; a heart height collecting and positioning assembly is arranged on the side wall of the bearing shell, the heart height collecting and positioning assembly is provided with a signal tag which is pasted on the body side corresponding to the heart position of the patient, the heart height collecting and positioning assembly receives the spatial position information of the signal tag, and the relative height difference between the signal tag and the advancing dosing member is calculated based on the spatial position information. The present application integrates the heart height collecting of the patient, realizes the real-time acquisition of the heart position of the patient and the automatic adjustment of the height of the advancing dosing member, realizes the intelligent adjustment of the height of the syringe, reduces the interference of the hydrostatic pressure on the infusion precision, and ensures the stability of the infusion precision.

The embodiment of the utility model discloses a self-adhesion type hidden underwear, which comprises a lower band part, side parts, cups and side wings, the lower band part and the side parts form a one-piece integral structure, a U-shaped notched heart-shaped position is formed between each cup and the lower band part, a U-shaped supporting steel rib is hidden in the inner side edge of each heart-shaped position, and the U-shaped supporting steel rib is connected with the side wings. Steel rings are hidden in the edges between the cups and the lower band part, vertical supporting bones are hidden in the outer edges of the side parts, the side wings are connected to the outer edges of the side parts, and pasting gel is arranged on the surfaces of the side wings and the cups. By adopting the self-adhesion type bra, the air permeability of the self-adhesion type bra is effectively improved, good comfort and dryness can be kept, meanwhile, the structure and the design of the bra are optimized, so that the self-adhesion type bra better conforms to the ergonomic principle, and the wearing comfort and the shaping effect are improved.

This invention discloses a dual-polarized directional backtracking millimeter-wave health monitoring system, characterized by: a dual-polarized passive directional backtracking antenna and a millimeter-wave continuous-wave frequency-modulated radar. The dual-polarized passive directional backtracking antenna is attached to the chest at the patient's heart location, and can forward the received electromagnetic waves back to the direction of origin in an orthogonal polarization. The millimeter-wave continuous-wave radar includes a millimeter-wave transceiver circuit, a transmitting antenna, and a receiving antenna array. The millimeter-wave transceiver circuit includes a frequency sweep source, a transmitting channel, an MCU circuit, a DSP circuit, and a receiving channel. This invention's health monitoring system has a simple structure, high sensitivity, and low cost. In large-scale application scenarios, a single millimeter-wave radar terminal can monitor all patients within the area.

The utility model provides an internal medicine stethoscope which comprises a sound pick-up and a hanging lug, the sound pick-up is connected to the hanging lug through a sound guide tube, a base is arranged behind the sound pick-up, and an elastic hand sleeve ring which is fixedly connected with the base and can be sleeved with fingers is arranged on the base. Earmuffs wrapping the ears are arranged outside the hangers, each earmuff is of a corrugated structure and can stretch out and draw back freely after being pressed, and the overall shape of each earmuff is of a transverse U-shaped structure. According to the utility model, the elastic sleeve bracelet is arranged, so that a doctor can stretch other four fingers except the thumb into the elastic sleeve bracelet, the back of the hand is close to the heart position of a person to be tested, and the hand leaves after the end, and the pickup does not need to be taken and placed, thereby bringing convenience, preventing the pickup from accidentally falling and bumping, and improving the safety of the doctor. Meanwhile, a doctor can also hold the base of the sound pick-up by hand for examination, and normally hold the base by hand for examination The earmuff covers the ears of a doctor, the corrugated structure can be bent and attached to the skin on the outer sides of the ears, the sealing effect is improved, external noise is reduced, and the diagnosis accuracy is improved.

Systems and methods are disclosed for generating a pace-mapping prediction model. Techniques are provided that utilize a training dataset associated with biometrics of patients' hearts, including electrophysiological data associated with cardiac arrhythmia, pace-mapping datasets, and correlation data measuring the degree of correlation between the pace-mapping datasets and the electrophysiological data. Based on the training dataset, the pace-mapping prediction model is trained to predict a degree of correlation between a patient's electrophysiological data and a pace-mapping dataset. Based on the predicted degree of correlation, a cardiac location in the heart of a patient is predicted as the location for the next pace-mapping. Further systems and methods are disclosed for generating a pacing maneuver prediction model. The pacing maneuver prediction model is trained to predict interval measurement based on a pacing maneuver obtained during cardiac pace-mapping.

The invention relates to a method for determining at least one monitoring parameter for monitoring cardiac stimulation during a magnetic resonance imaging (MRI) scan of a patient, a MRI scanner, and a computer program. According to the method, the patient is positioned in the MRI scanner. The patient's cardiac position relative to the MRI scanner is determined. The at least one monitoring parameter is determined based on a monitoring model as a function of the patient's cardiac position.

The utility model discloses a fixing device for mouse heart perfusion, which belongs to the technical field of medical instruments and comprises a square plate, a first groove is arranged in the middle of the square plate, a first threaded lead screw is rotatably connected in the first groove in a penetrating manner, and clamping plates are respectively in threaded connection with two sides of the first threaded lead screw. A first rotating handle is fixedly connected to one end of the first threaded lead screw, a square groove is formed in the square plate, a second groove is formed in the square plate, a second threaded lead screw is rotatably connected in the second groove in a penetrating mode, and a push plate is connected to the second threaded lead screw in a threaded mode; a mouse is placed between two groups of clamping plates on a square plate, the two groups of clamping plates can be driven to move towards the middle at the same time by manually rotating a first threaded screw rod, the mouse is clamped, then a push plate can be pushed to slide by rotating a second threaded screw rod, and then the heart position of the mouse is located above a square groove. And heart perfusion is facilitated.

Disclosed are an interaction apparatus of wrist-worn device and a wrist-worn device. The interaction apparatus of wrist-worn device includes a main structure including a housing and a mainboard disposed on the housing, and a signal acquisition portion disposed protruding from a side peripheral surface of the housing, the signal acquisition portion includes a physiological sound sensor used for detecting heart sound signals or lung sound signals. The physiological sound sensor collects a vibration signal of the heart or lung and transmits the signal to the mainboard, the mainboard processes the signal to monitor the heart or lung. According to the present disclosure, the cost of replacing the wristband is reduced; the original inner structure of the housing is prevented from being modified; and when the hand is lifted, the signal acquisition portion can be directly attached to the heart position or the lung position for signal detection.

Electrophysiological activity can be mapped using an electroanatomical mapping system. Using electrophysiological data from a clique of at least four non-coplanar electrodes, the mapping system derives a three-dimensional vectorcardiogram for the clique; analyzes a shape of the vectorcardiogram; identifies first and second omnipolar electrograms for the clique; defines an activation direction for the clique; and computes a conduction velocity magnitude for the clique, thereby determining a cardiac activation vector at the cardiac location. The cardiac location can be classified as pathological when the orientations of the first and second omnipolar electrograms differ by more than a threshold amount and / or when the shape of the three-dimensional vectorcardiogram satisfies at least one of a non-planarity criterion and a directional criterion. Various graphical representations of the foregoing analyses are contemplated.

The invention discloses a blood pressure instrument with a position calibration function, and belongs to the field of medical equipment, the blood pressure instrument comprises a telescopic support, an air bag, a cuff, a host, a reference point position sensor, a measuring point position sensor and an inflator pump, the air bag is fixed in the center of the top end of the telescopic support; the measuring point position sensor is arranged on the outer surface of the cuff, the reference point position sensor is adhered to the heart position of a patient through a mushroom buckle, and the pressure sensor is arranged on the inner surface of the cuff; the inflator pump and the host are placed at the top end of the telescopic support and located on the two sides of the air bag, the inflator pump communicates with the air bag, and the pressure sensor, the reference point position sensor and the measuring point position sensor are electrically connected with the host; the host can give an alarm and display a blood pressure value. When the blood pressure is measured, an alarm is given when the measuring point and the heart position are at different heights, the height of the measuring point position is adjusted in real time through the air bag, and the device is suitable for family self-measurement, community medical treatment and outdoor voluntary diagnosis.

Methods of generating a graphical representation of cardiac information on a display screen are provided. The method comprises: electronically creating or acquiring an anatomical model of the heart including multiple cardiac locations; electronically determining a data set of source information corresponding to cardiac activity at the multiple cardiac locations; electronically rendering the data set of source information in relation to the multiple cardiac locations on the display screen. Systems and devices for providing a graphical representation of cardiac information are also provided.

In a described example, a method includes constructing a data structure including a representation of locations, within a given cardiac region, visited by a catheter during a build phase for a model of at least the given cardiac region. The method can also include receiving an electrogram associated with one or more first electrodes of the catheter at locations in a patient's heart and receiving an electrophysiological signal associated with second electrodes at respective substantially fixed locations relative to the patient's heart. The method can also include identifying, based on the electrogram and the electrophysiological signal, a cardiac region corresponding to a respective one or more of the locations of the one or more first electrodes in the patient's heart. On a graphical user interface, visual indicia can be displayed based on the identified cardiac region and the given cardiac region.