A small minority of medical practitioners working in the UK have argued that neither requirement of the UK Health Departments Code of Practice basis for the equation of brainstem death with death is satisfied by its current diagnostic protocol and that in terms of its ability to diagnose de facto brainstem death it falls far short. Most of these criticisms overlook the fact that in practice brainstem death testing would not be conducted in isolation. In most cases this is only performed after running a series of CT and MRI scans to look at brain and brainstem health. References
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Great Ormond Street Hospital for Children
Because the middle and inner ears are necessary for hearing, people with complete agenesis of the ears are totally deaf. Minor agenesis that affects only the visible parts of the outer ear, which may be called microtia, typically produces cosmetic concerns and perhaps hearing impairment if the opening to the ear canal is blocked, but not deafness. == References ==