All of the following are features of hypocalcemia, except:: (A) Carpopedal spasm, (B) Numbness and tingling in the circumoral region, (C) Hyperactivity of tendon reflexes, (D) Shoening of Q-T interval in ECG
Answer is D. ECG Changes Causes of QT prolongation on an ECG Causes of QT prolongation on an ECG: Congenital Stroke Hypokalemia Hypoglycemia Hypocalcemia Hypomagnesemia Myocardial infarction Intracranial hemorrhage Hypothyroidism, pituitary insufficiency Ref: ECG Interpretation: From Pathophysiology to Clinical Application By Fred Kusumoto, Page 74; Harrison's Internal Medicine, 18th Edition, Chapter 46