Significance of QRS alternans during narrow QRS tachycardias.
Morady
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Department of Internal Medicine, University of Michigan Medical Center, Ann Arbor 48109-0022.
D004562:Electrocardiography; D006801:Humans; D013614:Tachycardia, Paroxysmal / Q000503:physiopathology*; D013617:Tachycardia, Supraventricular / Q000503:physiopathology*