Atrioventricular nodal reentrant tachycardia (AVNRT) is a rapid, irregular heartbeat that starts suddenly and without warning and may stop just as abruptly. It is a common type of what's called ...
The His bundle electrograms are marked, particularly the more proximal ones (large atrial electrograms with smaller His electrograms). The roof and floor of the coronary sinus are then tagged. The ...
Peter Spector, M.D.; Nicole Habel, M.D. The first step in an electrophysiologic study is passive observation. One can examine the initiation and termination of tachycardia for clues as to its ...
This is a narrow QRS complex tachycardia with a very fast heart rate (about 250 beats per minute). It is quite difficult to indentify any P wave activity to determine the exact etiology. Most commonly ...
This is a narrow QRS complex tachycardia with a very fast heart rate (about 250 beats per minute). It is quite difficult to indentify any P wave activity to determine the exact etiology. Most commonly ...
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