ECG Challenge Case. A 79-year-old male with a medical history of “some heart problems” presents to the emergency department with 3 days of fatigue and shortness of breath. This ECG is obtained in tri

ECG Challenge Case. A 59-year-old male smoker with a history of hypertension, familial hyperlipidemia and insulin dependent diabetes presents with 2 hours of substernal chest pressure radiating to hi

ECG Challenge Case. A 75-year-old male with a history of systolic congestive heart failure, hypertension, diabetes, hyperlipidemia, and chronic obstructive pulmonary disease presents with shortness o

ECG Challenge Case A 76-year-old female with dementia and unknown cardiac history presents with chest pain and palpitations for 4 hours. Answer Atrial fibrillation preceded and followed by paced beat