DEPRESSED ST Mnemonic for Causes of ST Segment Depression D - Drooping valve (mitral valve prolapse) E - Enlargement (LV) P - Potassium loss (hypokalemia) R - Reciprocal ST changes E - Encephalon (intracranial) hemorrhage S - Subendocardial infarct S - Subendocardial ischemia E - Embolism (pulmonary) D - Dilated cardiomyopathy S - Shock T - Toxicity (digitalis/quinidine) #DEPRESSED #DEPRESSEDST #ST #Depression #Mnemonic #Cardiology #STDepression #Differential #Diagnosis