Hypocalcemia precipitating congestive heart failure.
D000368:Aged; D002118:Calcium / Q000502:physiology; D005260:Female; D006333:Heart Failure / Q000209:etiology*; D006801:Humans; D006996:Hypocalcemia / Q000150:complications*; D007011:Hypoparathyroidism / Q000150:complications; D009200:Myocardial Contraction
D002118:Calcium