]> 2026-07-31T14:08:22+00:00 WBR0241 0 en Electromyography Nerve compression studies '''Incorrect''' : Nerve compression results in damage to the myelin sheath and manifests as delayed distal latencies and slowed conduction velocities. With sustained or more severe compression, axon loss may also occur, resulting in a reduction of the median nerve compound motor or sensory action potential amplitude. Phalen maneuver '''Correct''' : With the Phalen maneuver, the patient fully flexes the palms at the wrist with the elbow in full extension to provide extra pressure on the median nerve. Alternatively, the backs of the hands are placed against each other to provide hyperflexion of the wrist, and the elbows remain flexed. A positive Phalen sign is defined as pain and/or paresthesia in the median-innervated fingers with one minute of wrist flexion. Meta-analyses have shown an average sensitivity of 68 percent and specificity of 73 percent for a positive Phalen's test. Hence this the correct option. The Tinel test Ultrasonography '''Incorrect''' : Imaging studies are not routinely employed in the evaluation for possible CTS. Primary Care Office A 65 year old women comes to see you at the office with complaints of right wrist pain for the past 3 months. She has numbness and tingling sensation in the first two fingers and her symptoms increase with activities requiring prolonged flexion or extension of the wrist. Her other medical problems are hypothyroidism, diabetes, chronic renal failure, coronary heart disease, hypertension and osteoporosis. What is the most appropriate method to make the diagnosis of this condition? C Musculoskeletal/Rheumatology 2020-10-27T23:52:45Z 2459150.4949653 WBR0241