Case 120: A 63-Year-Old Man in the Cardiac Surgery ICU History Diagnosis History A 63-year-old man is in the cardiac surgery ICU after replacement of a myxomatous mitral valve with ruptured cordae tendineae: Diagnosis Sinus Rhythm with sinus arrhythmia and AV dissociation due to a competing accelerated junctional rhythm 2 capture complexes (the 5th and …
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Case 133: A 48-Year-Old Man with Chest Pain History Diagnosis ECG 2 ECG 2 Diagnosis ECG 3 ECG 3 Diagnosis History This 48-year-old man with a history of untreated hyperlipidemia and smoking presented to the Emergency Department with severe anterior chest pain for the past 70 minutes: Diagnosis Sinus rhythm with marked sinus arrhythmia Inferior …
Case 144: A 55-Year-Old Woman in the Neurosurgery ICU History Diagnosis History This 55-year-old woman had surgery two day ago for the removal of a left temporal lobe tumor. Postoperatively, her heart rate was noted to be slow: Diagnosis Marked sinus bradycardia (38/min) with sinus arrhythmia Escape junctional bradycardia with isorhythmic AV dissociation There is …
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Case 35: A 66-Year-Old Man in the Emergency Department History Diagnosis History A 66-year-old man is in the Emergency Department: Diagnosis Sinus bradycardia with marked sinus arrhythmia – Ventricular rate 56/min Occasional junctional escape complexes Incomplete right bundle branch block (iRBBB) alternating with complete right bundle branch block (rate-related aberrancy) ECG ID: E528
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 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 104: A 62-Year-Old Woman with Mild Well-Controlled Hypertension History Diagnosis History This 62-year-old woman with mild well controlled hypertension and good exercise tolerance was first discovered to have an abnormal ECG two years ago during a routine assessment. The ECG findings are unchanged. She has been referred to the cardiac clinic because of a …
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Case 123: A 71 Year-Old Man Admitted to Cardiology with Dizziness History Diagnosis History A 71 year-old man was admitted to the cardiology ward with a one week history of dizziness. The ECG below was recorded on the second day of his hospital admission: Diagnosis Sinus rhythm with sinus arrhythmia, 75/min; Ventricular rate 39/min Second …
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