J Korean Med Assoc.  2006 Jun;49(6):493-501. 10.5124/jkma.2006.49.6.493.

Determining Brain Death

Affiliations
  • 1Department of Neurology, University of Ulsan College of Medicine, Asan Medical Center, Korea. jkkang@amc.seoul.kr

Abstract

Brain death is a clinical diagnosis. The three cardinal findings in brain death are coma or unresponsiveness, absence of brainstem reflexes, and apnea. The clinical examination of the brainstem includes testing of brainstem reflexes, determination of the patient's ability to breath spontaneously, and evaluation of the motor response to pain. Spontaneous and reflex movements originating from the spinal cord neurons may occur in brain-dead patients. An awareness of spinal reflexes may prevent delays in and misinterpretations of the brain-death diagnosis. In some countries including Korea, our country, confirmatory tests are required by law when determining brain death. However, a confirmatory test is not usually mandatory except for patients in whom specific components of clinical testing cannot be evaluated reliably.

Keyword

Bain death; Apnea; Spinal reflexes; Confirmatory tests
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