A 70-year-old man comes to the clinic complaining of heart p…
A 70-year-old man comes to the clinic complaining of heart palpitations for the last 3 weeks. He has a history of hypertension, type 2 diabetes mellitus, and coronary artery disease. Irregularly irregular pulse is present during physical exam and electrocardiogram. Which of the following anatomic sites is the most likely origin for this patient’s arrhythmia?
Read Details