Roentgen video densitometer study of mitral valve closure during atrial fibrillation.
D000790:Angiocardiography; D000818:Animals; D001281:Atrial Fibrillation / Q000503:physiopathology*; D001794:Blood Pressure; D006328:Cardiac Catheterization; D003287:Contrast Media; D003720:Densitometry; D004285:Dogs; D004558:Electric Stimulation; D006339:Heart Rate; D008943:Mitral Valve / Q000503:physiopathology*; D013690:Television
D003287:Contrast Media