Device for identifying atrial depolarization

Details Device for identifying atrial depolarization Device for identifying atrial depolarization

1993-10-22

1995-03-28

Kamm, William E.

Surgery

Truss

Pad

128696, 128702, A61B 50464

Patent

active

054007968

ABSTRACT:
A device for identifying an event, among atrial events sensed in a heart, as an atrial depolarization includes an atrial detector which emits a first signal when an event is sensed in the atrium, and a ventricular detector which emits a second signal when an event is sensed in the ventricle. A window generator creates a time window with the first signal inside the window, and a comparator determines whether the second signal is inside or outside the window. If the second signal is outside the window, an identification signal for the atrial depolarization is emitted. In subsequent circuits in the device, an event sensed in the atrium can be indicated as e.g. atrial flutter or a crosstalk QRS. The indications can be used for controlling a heart stimulator. A corresponding method is also disclosed.

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