<prompt> A 40-year-old hypeensive lady is brought to the emergency room after being unresponsive following a sudden bout of severe headache, vomiting and neck rigidity at work. 0E her BP is 180100 mmHg and her respiration is irregular and of Cheyne-Stokes type. She is agitated and doesnt follow commands, but moves her extremities spontaneously. Most likely diagnosis will be: JIPMER 08; AIIMS 13Subarachnoid hemorrhage due to rupture cerebral aneurysmHypoglycemic comaConversion reactionAddisonian crisis  <response>: Ans. Subarachnoid hemorrhage due to rupture cerebral aneurysm 