<< Atrial Fibrillation: Management Strategies In The Emergency Department

Differential Diagnosis

AF/AFL are supraventricular tachycardias with the distinguishing feature of unique P-wave morphologies. AF has low-amplitude fibrillatory waves that result in an irregularly irregular ventricular rhythm with an absence of well-defined P-waves. AFL is characterized by sawtooth-appearing P-waves with an atrial frequency around 300, often resulting in a regular ventricular frequency around 75 or 150 beats/min, depending on the atrioventricular node conduction block.

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