A 65-year-old woman was admitted because of recurrent syncope. Her complaints were difficult to interpret due to mental impairment after cerebral hemorrhage ten years earlier. She was once found lying in the street after walking her dog. Her medical history further included congestive heart failure after several untreated myocardial infarctions and diabetes.
Under treatment with oral antidiabetics, furosemide, ACE inhibitor, digoxin, and aspirin, she was in functional NYHA class I/IV. A 12-lead ECG was recorded. What is the most likely level of this 2:1 AV block? * This case is from Docplexus editorial team for educative purpose only Source: ECG pedia
