Seemingly complex QRS alternation: what is the mechanism?
Littmann
L
L
Department of Internal Medicine, Carolinas Medical Center, Charlotte, North Carolina 28203, USA. LLittmann@carolinas.org
Monroe
M H
MH
D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D002317:Cardiovascular Agents / Q000008:administration & dosage; D003937:Diagnosis, Differential; D004110:Diltiazem / Q000008:administration & dosage; D004562:Electrocardiography; D006329:Heart Conduction System / Q000187:drug effects / Q000503:physiopathology; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D013612:Tachycardia, Ectopic Atrial / Q000175:diagnosis* / Q000503:physiopathology; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis* / Q000503:physiopathology; D013686:Telemetry
D002317:Cardiovascular Agents; D004110:Diltiazem