Research Article| Volume 18, ISSUE 1, P63-64, January 1987

Use of tuning fork in diagnostic auscultation of fractures

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      This study was conducted on 50 patients in the Central Institute of Orthopaedics, Safdarjung Hospital, New Delhi, from June to October 1985.
      With the help of a child's stethoscope and a tuning fork of 128 Hz, the sound conducted by an injured limb was compared with that by the uninjured limb. The presence of a fracture reduced or abolished the conduction of sound by a bone.
      This method allows a quick examination without causing any pain, which is an advantage in an uncooperative patient. It is also reliable in the unconscious. The test is so simple that paramedical staff can use it. The results were correct in 94 per cent of patients and were confirmed by radiological examination whereas clinical diagnosis was correct in only 88 per cent of cases.
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