Synchronized dual-chamber pacemaker

Abstract

The invention provides a synchronized dual-chamber pacemaker. In the synchronized dual-chamber pacemaker, a control unit detects the type of atrial tachycardia, paroxysmal atrial tachycardia and chronic atrial tachycardia can be treated differently, and different treatment methods are adopted for different types of atrial tachycardia. Further, when the atrial tachycardia begins to subside, if the normal pace-making mode of the synchronized dual-chamber pacemaker is configured to be a DDD working mode, the control unit configures the working mode of the synchronized dual-chamber pacemaker to be a corrected DVI mode, building of atrioventricular synchronization can be prevented from being too sudden, and the comfort of a patient when a non-synchronized dual-chamber pace-making mode is switched to the synchronized dual-chamber pace-making mode is improved.

Description

technical field [0001] The invention relates to the technical field of medical instruments, in particular to a synchronous double-chamber pacemaker. Background technique [0002] Atrial tachycardia (atrial tachycardia, AT) is limited to the atrium, regular rhythm, including a variety of tachycardia originating from the atrium without the participation of the atrioventricular node, and the rhythm is slower than atrial flutter (110 beats / min ~250 times / min). [0003] Synchronous dual-chamber pacemaker is currently used to treat a variety of slow heartbeat diseases, but in patients with actual indications, there may be paroxysmal atrial tachycardia (atrial tachycardia for short) speed). For synchronized dual-chamber pacemakers, tracking of atrial activity and pacing of the ventricles only makes sense when the intrinsic atrial heart rate is physiologically normal. If sudden atrial tachycardia occurs, it is definitely not desirable for the ventricle to track the atrial activit...

AI Technical Summary

Problems solved by technology

Some pacemakers also have the ability to initiate a mode switch during atrial tachycardia, but there are differences in implementation and effects

For example, some atrial tachycardia detection functions on the market now only detect atrial tachycardia, and do not distinguish between morbid suddenness and general mild atrial tachycardia, and the treatment is the same

This may cause the pacemaker to work at the upper limit tracking frequency for a long time, and the long-term rapid ventricular pacing is not conducive to the patient

Another example is that during the quiescence of atrial tachycardia, the current general practice is to directly switch the mode from the asynchronous dual-chamber pacing mode to the synchronous dual-chamber pacing mode, so that the establishment of atrioventricular synchronization is too sudden, and the atrioventricular Period changes too much

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