<prompt> When will you do emergency endotracheal intubation?GCS7Tension pneumothoraxCardiac tamponadeBleeding gastric ulcer  <response>: Ans.a GCS7Ref: Ezri T and Warters RD, Chapter 15: Indications for tracheal intubation p. 371-8 In a case of head trauma if GCS is 8 or less - a definitive airway may be required. 