title: An approach to refractory heart failure.
mesh_terms: D000368:Aged; D000740:Anemia / Q000150:complications; D001024:Aortic Valve Stenosis / Q000175:diagnosis; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D002305:Cardiac Tamponade / Q000175:diagnosis; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis; D005334:Fever / Q000150:complications; D006322:Heart Aneurysm / Q000175:diagnosis; D006331:Heart Diseases / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D006344:Heart Septal Defects, Atrial / Q000175:diagnosis; D006801:Humans; D006973:Hypertension / Q000150:complications; D006980:Hyperthyroidism / Q000150:complications; D000860:Hypoxia / Q000150:complications; D008297:Male; D010490:Pericardial Effusion / Q000175:diagnosis; D011086:Polycythemia / Q000150:complications; D011655:Pulmonary Embolism / Q000175:diagnosis; D013610:Tachycardia / Q000150:complications