39 yo female with 1 year of left arm weakness and numbness, unknown etiology. Not worsening over time. Pain is elbow, forearm and palm, numbness is median nerve and forearm. Strength grossly normal except APB and she cannot bend DIP index. Sensory testing normal except paresthesias in a median nerve distribution. No neck pain. Reflexes normal.
Median motor - 4.7 (<4.2 nl) ms distal onset, 3.5 (>5.0) mV amplitude, 47 (>50) m/s NCV in forearm.
Ulnar motor - 3.1 ms (<3.3) distal onset...
Pronator teres syndrome vs CTS + AIN
Median motor - 4.7 (<4.2 nl) ms distal onset, 3.5 (>5.0) mV amplitude, 47 (>50) m/s NCV in forearm.
Ulnar motor - 3.1 ms (<3.3) distal onset...
Pronator teres syndrome vs CTS + AIN