![](https://www.pocus-cases.com/wp-content/uploads/2018/03/NOSD-po-kpcr3.jpg)
A patient on day 3 after CPR for asystole, persisting coma, spontaneous breathing is preserved, pupils are miotic. EEG shows an almost flat line.
Ultrasonographic measurement of optic nerve sheath diameter (ONSD) as a screening tool in detection of elevated intracranial pressure: