Paroxysmal Atrial Tachycardia

Amara Estrada, DVM, DACVIM (Cardiology) University of Florida

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A few normal beats are initially auscultated in this recording, followed by a very rapid increase in rate and a very rapid run of tachycardia. 

It is impossible to distinguish atrial versus ventricular tachycardia based on auscultation alone; an ECG helps develop a definitive diagnosis. Auscultation does, however, suggest presence of either an atrial or ventricular tachyarrhythmia.

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