A 72-year-old man with a history of hypertension for which he was taking a beta-blocker, an angiotensin-converting enzyme inhibitor, and diltiazem presents to his internist for a routine blood pressure check. His blood pressure was 220/110 mm Hg so he was sent to the emergency department (ED) for acute therapy of hypertension. In the ED, a nitroprusside infusion was started, and he was admitted to the hospital. An ECG was recorded at the ED which is attached with the case description.
What is the diagnosis? What should be the further treatment? *This case is from Docplexus editorial team for educative purpose only
