Sinus Bradycardia

Case 4: A 44-Year-Old Man in the Cardiac Clinic

Case 4: A 44-Year-Old Man in the Cardiac Clinic History Diagnosis History This 46-year-old man is discovered to have a cardiomyopathy 3 years ago when he applied for life insurance. He remains moderately active and cycles frequently without discomfort: Diagnosis Marked sinus bradycardia, 41/min Left ventricular hypertrophy with QRS widening and repolarizarion abnormality Marked ST …

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Case 6: An 80-Year-Old Man in the Cardiac Surgery Ward

Case 6: An 80-Year-Old Man in the Cardiac Surgery Ward History Diagnosis History This 80-year-old man, with a history of severe aortic stenosis, is in the cardiac surgery ward 6 hours after a successful aortic valve replacement: Diagnosis Marked sinus bradycardia with a junctional escape pacemaker Ventricular rate 47/min Non-specific T wave abnormality ECG ID: …

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Case 24: A 23-Year-Old Man who Collapsed

Case 24: A 23-Year-Old Man who Collapsed History Diagnosis ECG 2 ECG 2 Diagnosis History This 23-year-old man had an out-of-hospital cardiac arrest one hour after playing hockey. He was successfully resuscitated.This ECG was recorded 2 weeks later, when he was transferred to a tertiary care cardiac center: Diagnosis Sinus bradycardia, 58/min, with interpolated premature ventricular …

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Case 34: A 38-Year-Old Man in the Emergency Department

Case 34: A 38-Year-Old Man in the Emergency Department History Diagnosis ECG 2 ECG 2 Diagnosis History A 38-year-old man with diabetes presents to the Emergency Department with severe chest pain: Diagnosis Sinus rhythm, 61/min Acute inferior-posterior myocardial infarction ECG 2 The patient receives therapy with IV fibrinolytics and is transferred to the CCU. This …

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Case 44: A 73-Year-Old Man Presenting for Follow-Up

Case 44: A 73-Year-Old Man Presenting for Follow-Up History Diagnosis ECG 2 ECG 2 Diagnosis Diagram History This 73-year-old man with known dilated cardiomyopathy is in the cardiac clinic for a routine reassessment: Diagnosis Suspect lead placement error: left arm-right leg lead reversal Sinus rhythm 60/min, with one premature atrial complex Possible non-specific intraventricular block …

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Case 51: A 73-Year-Old Man with Ischemic Cardiomyopathy

Case 51: A 73-Year-Old Man with Ischemic Cardiomyopathy History Diagnosis History This 73-year-old man with a long history of coronary artery disease and severe left ventricular dysfunction is in the cardiac clinic for a follow-up assessment: Diagnosis Sinus bradycardia, 53/min Left atrial enlargement Left axis deviation Left bundle branch block When we review this ECG, …

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