AV Dissociation

Case 91: A 78-Year-Old Woman in the Cardiology Ward

Practice Level 5

Case 91: 78 Year-Old Woman in the Cardiology Ward History Diagnosis History This 78-year-old woman with a long-standing history of coronary artery disease is admitted to the cardiology ward for treatment of congestive heart failure: Diagnosis Sinus rhythm with sinus arrhythmia and premature atrial beats – Ventricular rate 64/min AV dissociation due to a competing junctional rhythm …

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Case 101: A 52-Year-Old Man Seen in Cardiac Clinic

Practice Level 5

Case 101: A 52-Year-Old Man Seen in Cardiac Clinic History Diagnosis History This 52-year-old man with history of hypertension and episodes of paroxysmal atrial fibrillation is seen in the cardiac clinic for follow-up assessment: Diagnosis Sinus bradycardia with sinus arrhythmia – Atrial rate 48, min AV dissociation, with junctional escape rhythm and occasional AV capture …

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Case 102: A 61-Year-Old Woman in the Cardiac Surgical ICU

Practice Level 5

Case 102: A 61-Year-Old Woman in the Cardiac Surgical ICU History Diagnosis ECG 2 ECG 2 Diagnosis ECG 3 ECG 3 Diagnosis History A 62-year-old woman is in the cardiac ICU following aortic valve replacement because of aortic stenosis: Diagnosis AV Dissociation Marked sinus bradycardia with sinus arrhythmia and a ventricular escape rhythm, 43/min.  One …

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Case 122: A 77 Year-Old Woman in the Emergency Room with Dizziness

Practice Level 5

Case 122: A 77 Year-Old Woman in the Emergency Room with Dizziness History Diagnosis History A 77 year-old woman is seen in the emergency room with several days of dizziness. Her ECG recorded in the emergency room is shown below: Diagnosis Ectopic Atrial Bradycardia, 37/min AV Dissociation with Junctional Escape, 43/min Conducted P-waves have 1st …

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