Misled by the wedge? The Swan-Ganz catheter and left ventricular preload.
D006328:Cardiac Catheterization / Q000295:instrumentation*; D002306:Cardiac Volume; D003971:Diastole; D006321:Heart / Q000503:physiopathology*; D006325:Heart Atria / Q000503:physiopathology; D006331:Heart Diseases / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008991:Monitoring, Physiologic; D009200:Myocardial Contraction; D011175:Positive-Pressure Respiration; D011651:Pulmonary Artery / Q000503:physiopathology; D011669:Pulmonary Wedge Pressure