Left ventricular failure precipitated by chronic megaloblastic anemia.
D000748:Anemia, Macrocytic / Q000150:complications*; D000749:Anemia, Megaloblastic / Q000150:complications* / Q000378:metabolism; D001810:Blood Volume; D002302:Cardiac Output; D006333:Heart Failure / Q000209:etiology*; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008875:Middle Aged; D010101:Oxygen Consumption