Fig. 1From: Iatrogenic carpal tunnel syndrome induced by wrist extension for placement of an indwelling radial artery catheter: a case reportUltrasound transverse view of the patient’s wrist. a Left wrist (the palm of which suffered from numbness and tingling). b Right wrist. Dashed circles indicate the median nerves. The figure shows enlargement of the left median nerve compared to the right median nerveBack to article page