Effects of variations in the strength of left ventricular contraction on aortic valve closure in the dog.
D000818:Animals; D001021:Aortic Valve / Q000502:physiology*; D001022:Aortic Valve Insufficiency / Q000503:physiopathology; D001027:Aortography; D001783:Blood Flow Velocity; D001794:Blood Pressure; D003720:Densitometry; D004285:Dogs; D004395:Dye Dilution Technique; D006339:Heart Rate; D009119:Muscle Contraction; D016276:Ventricular Function