Effect of respiration on venous return and stroke volume in cardiac tamponade. Mechanism of pulsus parodoxus.
D000818:Animals; D001011:Aorta; D001783:Blood Flow Velocity; D002302:Cardiac Output; D002305:Cardiac Tamponade; D004285:Dogs; D006334:Heart Function Tests; D006339:Heart Rate; D011652:Pulmonary Circulation; D011674:Pulse; D012119:Respiration; D014684:Venae Cavae