Successfully reported this slideshow.
We use your LinkedIn profile and activity data to personalize ads and to show you more relevant ads. You can change your ad preferences anytime.

Brain death critiria

839 views

Published on

clinical criteria of brain death

Published in: Health & Medicine
  • If only we knew about this 10 years ago! I wasted a ton of money on garbage 'stop snoring' products like mouth guards, throat sprays, lozenges and nasal strips, to name just a few! None of them worked. My doctor explained to me that the only way I was going to fix my snoring was with an operation, although he did say it was a last resort. I am so glad I didn't risk it because after finding your program my snoring has considerably decreased! If only I knew about this 10 years ago! ★★★ http://t.cn/AigiCT7Q
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here
  • DOWNLOAD FULL BOOKS, INTO AVAILABLE FORMAT ......................................................................................................................... ......................................................................................................................... 1.DOWNLOAD FULL. PDF EBOOK here { https://tinyurl.com/y8nn3gmc } ......................................................................................................................... 1.DOWNLOAD FULL. EPUB Ebook here { https://tinyurl.com/y8nn3gmc } ......................................................................................................................... 1.DOWNLOAD FULL. doc Ebook here { https://tinyurl.com/y8nn3gmc } ......................................................................................................................... 1.DOWNLOAD FULL. PDF EBOOK here { https://tinyurl.com/y8nn3gmc } ......................................................................................................................... 1.DOWNLOAD FULL. EPUB Ebook here { https://tinyurl.com/y8nn3gmc } ......................................................................................................................... 1.DOWNLOAD FULL. doc Ebook here { https://tinyurl.com/y8nn3gmc } ......................................................................................................................... ......................................................................................................................... ......................................................................................................................... .............. Browse by Genre Available eBooks ......................................................................................................................... Art, Biography, Business, Chick Lit, Children's, Christian, Classics, Comics, Contemporary, Cookbooks, Crime, Ebooks, Fantasy, Fiction, Graphic Novels, Historical Fiction, History, Horror, Humor And Comedy, Manga, Memoir, Music, Mystery, Non Fiction, Paranormal, Philosophy, Poetry, Psychology, Religion, Romance, Science, Science Fiction, Self Help, Suspense, Spirituality, Sports, Thriller, Travel, Young Adult,
       Reply 
    Are you sure you want to  Yes  No
    Your message goes here

Brain death critiria

  1. 1. YOUSEF ASSI 10914663
  2. 2.  Define  PREREQUISITES  CLINICAL CRITERIA Duration of Observation Other test CONCLOSION
  3. 3. Is a clinical diagnosis which can be made when there is complete and irreversible cessation of all brain function.  Since, it is now technically possible to sustain cardiac, circulatory respiratory and other organ function after the brain has ceased to be alive, a diagnosis of brain death can be made before the heart beat stops.
  4. 4. The diagnosis of brain death is based primarily on clinical criteria. A confirmatory laboratory test may be done to supplement the clinical diagnosis.
  5. 5. The presence of sedative drugs, hypothermia, shock, or other potentially reversible conditions that may depress brain function must be excluded for these clinical criteria to be valid:  Body temperature must be 32.2 degree (90 degree F) or higher.  If barbiturates (are drugs that act as central nervous system depressants) are present in the blood, or were used therapeutically for control of intracranial pressure or seizures, serum levels should not exceed 1 mg % at the time of the clinical examination.  Absence of severe hypotension (shock).
  6. 6. The clinical examination should be done by a neurologist, neurosurgeon, or critical care attending who is familiar with the neurological examination and with these criteria:  Coma with cerebral unresponsitivity  Apnea  Absent brain stem reflexes  Persistence of condition for 6 to 24 hours
  7. 7. The patient should be deeply comatose with no movements, no withdrawal, seizures, spontaneously or to noxious stimulation. There may be spinal cord reflexes.
  8. 8. Apnea, is an no breath, this results in a lack of air movement into the lungs, and cause oxygen levels in the blood to drop.
  9. 9. Divided into five tests or criteria • Pupils - should be mid position in size (4 mm) or dilated in the absence of mydriatics and unreactive to bright light or noxious stimulation. •
  10. 10. Eye movements - there should be no spontaneous eye movements, and the eyes should remain in the neutral position on testing the occulocephalic and occulovestibular reflexes. The occulocephalic response is tested by rapid rotation of the head to either side. In eliciting the occulovestibular reflex, 20-30 ml of ice water are instilled into each ear external auditory
  11. 11. Corneal Reflex - No blinking or eye movement when the cornea is touched lightly with cotton. Gag Reflex - No gagging or coughing when the oropharynx or trachea is stimulated.
  12. 12. Caloric testing
  13. 13. The clinical examination may be repeated after 12-24 hours. When there is a structural brain damage and the diagnosis is known with certainty, a shorter period of observation is adequate if central nervous system depressant drugs, metabolic and anoxic causes have been excluded.
  14. 14. Although confirmatory tests are not mandatory in most situations, additional testing may be necessary for declaring brain death in patients in whom the results of specific components of clinical testing cannot be reliably evaluated.

×