<prompt> A 25-year-old male presents to the emergency depament with occasional severe headaches, nausea, and vomiting. Blood pressure while sitting is 230130 mmHg with a hea rate of 90 beatsmin but on standing the blood pressure drops to 200100 mmHg and the hea rate increases to 140 beatsmin. A cardiovascular examination depicted tachycardia with normal S1, S2 sounds . The patients lungs are clear. The optic discs are blurred, but there are no exudates or hemorrhages. Select appropriate treatment for such condition .LabetalolNitroprussidePhentolamineHydralazine  <response>: If SBP gets reduced by 20mmHg DBP get reduced by 10mmHg On change of posturePostural or Ohostatic Hypotension HR Headache HTN In early phase, the BP will be elevated for few min-hours i.e. Episodic HTN In late phase, the BP will show postural hypotension. All are Features of Pheochromocytoma ? Phentolamine Option A B- used in HTN encephalopathy Unconsciousness, brisk reflexes Option D- can lt reflex tachycardia which HR 