title: [Echocardiography - Part I: Basic principles].
mesh_terms: D004452:Echocardiography; D006346:Heart Septum / Q000502:physiology; D006349:Heart Valve Diseases / Q000175:diagnosis; D006351:Heart Valves / Q000502:physiology; D006801:Humans; D016276:Ventricular Function
vernacular_title: Ecocardiografia--Parte I: Princípios básicos.