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Tinel's sign

Etiology: - sign of carpal tunnel syndrome (Tinel's sign at the wrist) - sign of ulnar neuropathy or cubital tunnel syndrome (Tinel's sign at the wrist) Procedure: - Tinel's sign at the wrist - tingling or electrical sensations or paresthesias in the distribution of the median nerve after percussing lightly with a finger over the course of the median nerve in the carpa; tunnel (i.e. distal region of the wrist). - Tinel's sign at the elbow - localize the ulnar nerve in the groove between the olecranon process & the medial epicondyle of the elbow - repeatedly tap the ulnar nerve with the index finger, causing a tingling sensation in the ulnar distribution of the forearm & hand distal to the tapping point

Related

carpal tunnel syndrome (median neuropathy) cubital tunnel syndrome (ulnar nerve entrapment) paresthesia; burning; tingling

General

sign/symptom

References

  1. Saunders Manual of Medical Practice, Rakel (ed), WB Saunders, Philadelphia, 1996, pg 743, 1017
  2. Guide to Physical Examination & History Taking, 4th edition, Bates B, JB Lippincott, Philadelphia, 1987
  3. NEJM Knowlege Plus. Question of the Week. http://knowledgeplus.nejm.org/question-of-week/1381