What’s this sign called, and what could be the underlying condition? I’ll post the correct answer in a couple of days!
most probably this is trousseau's sign due to hypocalcaemia. suggestive features are flexed wrist & MPJ, extended DIPJ & PIPJ, adducted fingers & thumb adops a posture of opposition
Correct answer: Trousseau's sign (also known as obstetric hand); it indicates serious hypocalciemia, of which latent tetany is one of the possibles causes. It's a carpopedal spasm with flexion of the fingers and wrist. Serious hypocalciemia can also cause seizures and cataract.