Oral Boards
Case 9 · Neuro
Venous Air Embolism
Sudden EtCO₂ drop in a sitting craniotomy.
8 key phrases across 2 phases
The case
During a sitting-position posterior fossa craniotomy, the end-tidal CO₂ abruptly falls, the blood pressure drops, and you hear a mill-wheel murmur.
2-phase oral exam
The examiner will give you one prompt at a time. Answer each out loud, then continue. We'll score the key phrases you said at the end.
Voice input needs Safari (iPhone) or Chrome/Edge — you can type your answers instead.