2:1 AV Conduction

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Case 7: A 66-Year-Old Man in the ED with Palpitation and Dyspnea​

Practice Level 2

Case 7: A 66-Year-Old Man in the ED with Palpitation and Dyspnea History Diagnosis ECG 2 ECG 2 Diagnosis History A 66-year-old man presents to the emergency department with palpitations and dyspnea: Diagnosis Atrial flutter with 2:1 AV conduction Ventricular rate 146/min Clues that suggest atrial flutter with 2:1 AV conduction: A regular narrow-QRS tachycardia …

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Case 1: A 53-Year-Old Man with Shortness of Breath

Practice Level 4

Case 1: A 53-Year-Old Man with Shortness of Breath History Diagnosis History A 53-year-old man with a history of ischemic cardiomyopathy and an implanted defibrillator presents to the ICD clinic for routine follow-up. He complains of increased shortness of breath over the last few weeks:  Diagnosis Atrial tachycardia with 2:1 AV conduction  Non-specific intraventricular conduction block*  …

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Case 13: A 62-Year-Old Man in the Emergency Department

Practice Level 5

Case 13: A 62-Year-Old Man in the Emergency Department History Diagnosis ECG 2 ECG 2 Diagnosis ECG 3 ECG 3 Diagnosis History This 62-year-old man with a history of episodes of paroxysmal tachy-arrhythmias for several years is brought to the emergency department complaining of palpitation and dyspnea of 1 1/2 hrs duration: Diagnosis  Atrial tachycardia, …

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