Case 4: An 81-Year-Old Man in Pacemaker Clinic History Diagnosis History An 81-year-old man with a pacemaker is in the operating room for shoulder surgery. Pacemaker device was “reprogrammed” just prior to surgery: Diagnosis Sinus rhythm with VOO pacing (asynchronous mode with no ventricular sensing) – this mode was likely chosen to prevent inappropriate pacemaker inhibition …
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Case 121: An 87 Year-Old Pacemaker Patient in the Emergency Room History Diagnosis History An 87 year-old woman with a pacemaker presents to the emergency room with intermittent palpitations. Her ECG is shown below: Diagnosis Atrial paced rhythm, 60/min Premature atrial complexes Prolonged AV conduction (atrial pacing to native QRS time of 224ms) Intermittent ventricular …
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Case 125: A 94 Year-Old Man in the Emergency Department with Palpitations History Diagnosis History A 94 year old man with a history of atrial fibrillation and symptomatic bradycardia presents to the emergency department with palpitations and shortness of breath. His ECG is shown below: Diagnosis Atrial fibrillation with ventricular paced rhythm, ventricular rate 82/min …
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