The significance of the potassium and dihydroergotamine tests in electrocardiographic diagnosis.
D000328:Adult; D000368:Aged; D004562:Electrocardiography; D004878:Ergotamine; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011188:Potassium; D016276:Ventricular Function
D004878:Ergotamine; D011188:Potassium