First Degree AV Block

Case 31: A 46-Year-Old Woman with Cyanosis and Clubbing

Practice Level 5

Case 31: A 46-Year-Old Woman with Cyanosis and Clubbing History Diagnosis History A 46-year-old woman known to have cyanotic congenital heart disease, is severely disabled: Diagnosis Sinus Rhythm First degree AV block Right atrial enlargement Incomplete right bundle branch block (iRBBB) Left anterior fascicular block Possible right ventricular hypertrophy Voltage criteria for left ventricular hypertrophy  …

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Case 70: A 67-Year-Old Man with Congestive Heart Failure

Practice Level 5

Case 70: A 67-Year-Old Man with Congestive Heart Failure History Diagnosis ECG 2 ECG 2 Diagnosis History This 67-year-old man who suffered from a myocardial infarction 3 year ago has been admitted for treatment of congestive heart failure: Diagnosis Probably sinus tachycardia with first degree AV block (PR = 400 msec.) Anterior infarction Comment: The P …

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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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