Digoxin effect on Electrocardiogram (EKG) Digoxin is a cardiac glycoside from the foxglove leaf Mechanism - Inhibits Na-K ATPase -> increase intracellular Na / extracellular K -> increase intracellular Ca -> increase contractility - Decreases AV nodal conduction Uses: - Atrial fibrillation and atrial flutter (rate control) - Heart failure (syrnptom reduction) - not first Iine Digoxin effect on ECG (at therapeutic level): - Scooping ST depression (Salvador Dali mustache) - Flag inverted or biphasic T waves - Short QT interval Dr. Loran Hatch #Digoxin #effect #Electrocardiogram #EKG #Cardiology #Digitalis #ECG
