According to Lock's Article on Determining Brain Death, Tests Run

According to Lock's article on determining brain death, tests run in ICU units to determine and diagnose brain death include:

A) Physical tests of reflexes such as pin pricks to the hands and feet, pressure applied to finger/toenails, . touching of the eye with a swab, or inducing coughing.
B) In some cases, EEG monitoring
C) In some cases, MRI and/or blood flow monitoring
D) All of the above