A patient in their late 70s with a history of metastatic colon cancer, coronary artery disease, paroxysmal atrial fibrillation, hypertension, and long-term treatment with digoxin presented to the emergency department with septic shock and complications of acute respiratory failure that required endotracheal intubation and mechanical ventilation. During admission to the intensive care unit, the patient developed a tachyarrhythmia that was recorded on full disclosure telemetry (Figure, A). A baseline 12-lead electrocardiogram recorded previously in the emergency department is presented for comparison (Figure, B).
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Pfirman KS, Huffman TR, Singh A. Digoxin-Induced Bidirectional Ventricular Tachycardia in a Patient With Hypokalemia. JAMA Intern Med. Published online April 05, 2021. doi:10.1001/jamainternmed.2021.0835
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