Physiology Hypocalcemia is characterized by all except. A Numbness and tingling of circumoral region. B Hyperactive tendon reflexes and positive Chvostek's sign. C Shortening of Q-T interval in ECG. D Carpopedal spasm 💡 Explanation Hypocalcemia is characterized by all except. ✓ Correct Answer: C. Shortening of Q-T interval in ECG.