Place of M-mode echocardiography in the clinical decision.
D009202:Cardiomyopathies / Q000175:diagnosis; D003937:Diagnosis, Differential; D004452:Echocardiography / Q000379:methods*; D006331:Heart Diseases / Q000175:diagnosis*; D006349:Heart Valve Diseases / Q000175:diagnosis; D006439:Hemodynamics; D006801:Humans; D010490:Pericardial Effusion / Q000175:diagnosis