8 results about "Surface electrocardiogram" patented technology

Systems for detecting potential pacemaker capture loss in a surface electrocardiogram (ECG) signal are provided. In one example, a system includes a plurality of electrodes (RA, LA, RL, LL, V1, V2, V3, V4, V5, V6) configured to measure electrical potentials generated at a patient's skin, an electrode monitor (10) configured to generate an ECG signal from the electrical potentials, an interface (434), a memory (406) storing instructions, and at least one processor (404) configured to execute the instructions to obtain (504) a baseline ECG signal of the patient, obtain (702) a current ECG signal of the patient from the electrode monitor, determine that the patient has an electronic implant performing biventricular pacing based on the baseline ECG signal and / or the current ECG signal, compare (712, 714) the baseline ECG signal of the patient to the current ECG signal based on the determination, and indicate (722) a deterioration condition of the electronic implant through the interface based on the comparison and the determination.

A system for predicting an origin position of a ventricular arrhythmia (VA), an electronic device and a storage medium are disclosed. The system includes an acquisition module (100) for acquiring a body-surface electrocardiogram (ECG) to be subjected to prediction; and a prediction module (200) for performing stage-wise prediction on the body-surface ECG using at least two stages of pre-trained prediction models, thereby obtaining prediction results corresponding to the origin position of the VA. The storage medium stores therein a computer program, which, when executed by a processor, implements the steps of: acquiring a body-surface ECG to be subjected to prediction (S100); and performing stage-wise prediction on the body-surface ECG using at least two stages of pre-trained prediction models, thereby obtaining prediction results corresponding to the origin position of the VA (S200). The electronic device includes the system and / or the storage medium. They are able to accurately predict the true origin position of a VA among all possible candidates, thereby shortening the time required for a catheter ablation procedure, reducing unnecessary intervention mapping within the heart and reducing complications.

A system and method for guiding medical device placement. The system includes a console, a portable acquisition unit for receiving intracavitary and surface electrocardiogram (ECG) signals, and connection hardware, including a sterile ECG adapter and cable for fluid-filled catheters or a sterile clip cable for guidewires. Processors display real-time ECG waveforms and, in response to user input, capture static snapshots at different insertion depths. These snapshots are displayed chronologically on a graphical user interface, forming a visual trajectory of the device. The system determines the device's location by detecting ECG features from each snapshot and comparing them to predetermined boundaries. A location indication is displayed for each snapshot, providing objective guidance for placement and confirmation.

Systems are provided for detecting potential pacemaker lack of capture in surface electrocardiogram (ECG) signals. In one example, a system includes a plurality of electrodes configured to measure electrical potential generated at a skin of a patient, an electrode monitor configured to generate an ECG signal from the electric potential, an interface, a memory storing instructions, and at least one processor configured to execute the instructions to: obtain a baseline ECG signal of the patient, obtain a current ECG signal of the patient from the electrode monitor, determine, based on the baseline ECG signal and / or the current ECG signal, that the patient has an electronic implant carrying out biventricular pacing, compare, based on the determination, the baseline ECG signal to the current ECG signal of the patient, and indicate, through the interface, a degradation condition of the electronic implant based on the comparing and the determination.

This invention relates to the field of respiratory detection technology and discloses a system and method for assessing myocardial load in obstructive pulmonary disease (OSA) based on multimodal physiological signal fusion. The system comprises: a signal acquisition module that acquires blood oxygen saturation, electrocardiogram (ECG), and chest surface electrocardiogram (CTECG) signals; a window positioning and trimming module that determines candidate windows based on blood oxygen saturation and ECG signals, extracts the trunk vibration component of the CTECG signal to determine trigger points, and extracts an effective excitatory sub-window; a feature extraction module that extracts myocardial mechanical load, ECG ischemic components, and timestamps within the sub-window, and calculates the electromechanical delay decoupling time difference; and an assessment and judgment module that calculates a stress index based on the aforementioned components and time difference, and outputs results with phenotypic classification. This invention utilizes multimodal physiological signal fusion to extract the effective excitatory window and extract electromechanical delay features, achieving objective assessment and phenotypic refinement of OSA myocardial load.

The utility model provides a human body surface electrocardiosignal collecting and distributing device. The human body surface electrocardiosignal collecting and distributing device comprises a 12-lead electrocardiosignal collecting part, an electrocardiosignal distributing part and a plurality of electrocardiosignal output parts. Wherein the first side of the electrocardiosignal distribution part is connected with the 12-lead electrocardiosignal acquisition part; the 12-lead electrocardiosignal acquisition part is used for being in contact with the body surface of a human body and synchronously acquiring electrocardiosignals of the human body; a second side, different from the first side, of the electrocardiosignal distribution part is connected with the plurality of electrocardiosignal output parts; the electrocardiosignal distribution part is used for distributing acquired human body electrocardiosignals to the plurality of electrocardiosignal output parts; and the electrocardiosignal output part is used for outputting the collected electrocardiosignals of the human body. According to the utility model, human body electrocardiosignals acquired by the 12-lead electrocardiosignal acquisition part can be simply and efficiently distributed to the plurality of electrocardiosignal output parts, so that standard signal access of a plurality of sets of equipment is realized, the stability and the reliability are good, and the clinical actual requirements can be met.

The invention relates to the technical field of electrocardiograph equipment, in particular to an electrocardiograph special cart with a stable structure, which comprises a mounting cabinet and an upper limiting frame, an upper bracket is movably connected in the upper limiting frame, an equipment frame is fixedly connected to the surface of the upper bracket, and an electrocardiograph body is arranged on the surface of the equipment frame. A connecting rod is fixedly connected to the center of the bottom of the upper bracket, and a lower bracket is fixedly connected to the bottom end of the connecting rod. Through the arrangement of the mounting cabinet, the upper limiting frame, the upper bracket, the equipment frame, the electrocardiogram equipment body, the connecting rod and the lower bracket, the equipment can carry out more stable adaptive electrocardiogram detection operation on the electrocardiogram equipment body on the surface of the equipment frame and a sickbed patient; a worker firstly carries out sliding unfolding operation on a first sliding cover and a second sliding cover which are in left-right covering connection on an electrocardiogram equipment body on the surface of an equipment frame along a limiting sliding rail, and the electrocardiogram equipment body on the surface of the equipment frame is rapidly exposed.

To provide a system and a method for reducing noise of intracardiac electrocardiograms using an autoencoder and for utilizing and refining intracardiac and body surface electrocardiograms using one or more deep learning training loss functions.SOLUTION: A system and a method include a memory storing a processor-executable code for a denoised autoencoder, and one or more processors coupled to the memory. The processors execute the processor-executable code to receive raw signal data comprising signal noise, encode, by the denoised autoencoder, the raw signal data by performing a denoising autoencoder operation to produce a latent representation, and decode, by the denoised autoencoder, the latent representation to produce clean signal data reconstructed without the signal noise.SELECTED DRAWING: Figure 1