Electrocardiographic Features of Digoxin Toxicity • Virtually any arrhythmia is possible. None specific for digoxin toxicity • Classic arrhythmias thought to be associated combine some SVT (↑ ectopy and automaticity) with slow ventricular rate (↓ AV conduction) "Digitalis effect" • Shortening of QT interval • "Scooped" or "sagging" ST depressions • J point depression • Flattened/inverted/Biphasic T waves - BCM IM Residency @BCM_InternalMed #Digoxin #digitalis #Toxicity #Electrocardiogram #ekg #ecg #toxicology #cardiology #diagnosis
