NCS/EMG examination for common disorders
(Click the main headings for pdf versions of the full guidelines)
Carpal Tunnel Syndrome
Context
Investigation of a patient with clinically suspected carpal tunnel syndrome to support diagnosis and assess severity
Key recommendations
1) Hand temperature is recorded (Standard)
2) Sensory conduction between wrist and digit is measured for both the median nerve and a comparison nerve in the same hand (Standard)
3) Median motor conduction from wrist to hand is measured (Standard)
4) Where 2) and 3) are normal a more sensitive comparative test is performed (Standard)
5) The severity of median nerve abnormality is expressed using a 0-6 scale (Muscle and Nerve 2000; 23; 1280-3)
Related documents
BSCN position statement on the use of handheld devices for carpal tunnel syndrome testing
AANEM Guidelines for electrodiagnostic testing for CTS