kawasiwilson5312 kawasiwilson5312 15-02-2024 Medicine contestada Which arrhythmia is characterized by a rapid heartbeat originating in the atria? a. Atrial Tachycardia (A-Tach) b. Second Degree AV Block (Mobitz II) c. Sinus Rhythm with 1st Degree AV Block and PVCs d. Atrial Fibrillation with PVC x3