Evaluation of the ability of echocardiography to measure acute alterations in left ventricular volume.
D000328:Adult; D001281:Atrial Fibrillation / Q000188:drug therapy / Q000209:etiology / Q000503:physiopathology*; D002306:Cardiac Volume / Q000187:drug effects; D004452:Echocardiography; D005069:Evaluation Studies as Topic; D006352:Heart Ventricles / Q000187:drug effects / Q000503:physiopathology*; D006801:Humans; D005996:Nitroglycerin / Q000494:pharmacology / Q000627:therapeutic use; D010656:Phenylephrine / Q000494:pharmacology / Q000627:therapeutic use; D011187:Posture; D012214:Rheumatic Heart Disease / Q000150:complications
D010656:Phenylephrine; D005996:Nitroglycerin