Hypercalcemia due to vitamin D intoxication with clinical features mimicking acute myocardial infarction.

We report a case of hypercalcemia in an elderly patient due to vitamin D intoxication with clinical features and electrocardiogram (ECG) findings mimicking acute myocardial infarction. A 78-year-old man was referred to our department with symptoms of general fatigue, anorexia and chest pain. The ECG demonstrated ST elevation in leads V1 to V3 and diffuse T wave flattening, resulting in myocardial infarction being suspected. However, his symptoms, including chest pain, gradually improved and the ECG returned to normal in accordance with a fall in his serum calcium level. We introduce the use of QaTc interval shortening in differentiating ST-T changes of hypercalcemia from those of true myocardial ischemia.
AuthorsNaoto Ashizawa, Syuji Arakawa, Yuji Koide, Genji Toda, Shinji Seto, Katsusuke Yano
JournalInternal medicine (Tokyo, Japan) (Intern Med) Vol. 42 Issue 4 Pg. 340-4 (Apr 2003) ISSN: 0918-2918 [Print] Japan
PMID12729323 (Publication Type: Case Reports, Journal Article)
Chemical References
  • Vitamin D
  • Aged
  • Chest Pain (chemically induced)
  • Diagnosis, Differential
  • Electrocardiography
  • Humans
  • Hypercalcemia (chemically induced, diagnosis)
  • Male
  • Myocardial Infarction (diagnosis)
  • Vitamin D (poisoning)

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