Reciprocal changes in ventricular dimensions related to respiration.
D002305:Cardiac Tamponade / Q000175:diagnosis; D006332:Cardiomegaly / Q000175:diagnosis*; D003937:Diagnosis, Differential; D004452:Echocardiography; D006352:Heart Ventricles / Q000473:pathology; D006801:Humans; D010490:Pericardial Effusion / Q000175:diagnosis; D012119:Respiration