Sunday, May 10, 2009

Calcium Metabolism: Hypocalcemia

Recognize the signs and symptoms of hypocalcemia

Add this to your differential, guys: hypocalcemia generally makes you more prone to tetany, which is the term for muscle contractions due to neuromuscular excitability. Usually we think of tetany as sustained contractions in the hands, feet, or face, but hypocalcemia can also present as cyanosis or stridor from laryngospasm. So think about it the next time you see croup!

Abbreviations: ical, ca, ddx
Mnemonic: Low cash (Calcium) makes your face twitch (tetany)

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