Numbness in the Hand/Nerve Lesions
The sensibility is best tested by pinching with tweezers and not by pinpricking the sensory areas of the affected nerves (see Fig. 1 of chapter “ Neck Pain ”, page 146). The sudomotor function disappears in denervated areas, which is why these sections be
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Entrapment of the Median Nerve, Carpal Tunnel Syndrome * G56.0 See the chapter “Wrist Pain”.
Ulnar Nerve Compression * G56.2D See the chapter “Wrist Pain”.
Cervical Rhizopathy, Herniated Disc M53.1, M50.1 See the chapter “Neck Pain”.
Nerve Cut Injury S64.0/1/2/3/4 Diagnosis. The sensibility is best tested by pinching with tweezers and not by pinpricking the sensory areas of the affected nerves (see Fig. 1 of chapter “Neck Pain”, page 146). The sudomotor function disappears in denervated areas, which is why these sections become completely dried up. Loss of motor function is easily checked through thumb opposition (i.e. the combination of flexion and adduction) for the median nerve, through ab- and adduction of the fingers for the ulnar nerve, and by checking the extensor function of the MCP joints and the wrist for the radial nerve. Treatment. Nerve injuries of the palm or forearm result in significant loss of hand function and should always be referred to a hand surgery unit for primary care.
S.-A. So¨lveborn, Emergency Orthopedics, DOI 10.1007/978-3-642-41854-9_34, # Springer-Verlag Berlin Heidelberg 2014
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Numbness in the Hand/Nerve Lesions
In essence, all sharp lacerations/cuts should be restored through suturing. Digital nerve lesions distal to the PIP joint caused by sharp cuts may be adapted upon suturing of the skin, or they should be attended to at an orthopaedic unit. However, the radial digital nerve of the index finger and the ulnar digital nerve of the thumb, which are of utmost importance, e.g. for the pinching and key grip, as well as more proximal nerve lesions, must be taken care of by a hand surgeon. At digital nerve sutures, a plaster splint is provided for 2–3 weeks.
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