19 - Brain death and organ donation Flashcards

1
Q

What are the pre-conditions necessary to diagnose brain stem death?

A

All potentially reversible causes of coma excluded
off all depressant drugs
hypothermia excluded - core temp >36
MAP >60mmHg

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2
Q

What reflexes are tested to confirm brainstem death?

A
Pupillary light reflex
Corneal reflex
Oculovestibular reflex
oculocephalic reflex
gag reflex
cough reflex

In addition to this response to pain is assessed as well as an apnoea challenge

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3
Q

Under what circumstances should a oculocephalic reflex not be assessed?

A

When C-spine has not been cleared

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4
Q

What level should the PaCO2 reach when performing the apnoea test?

A

> 60mm Hg

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