Arrhythmia surgery Quiz

The incidence of atrial fibrillation among the general population in the United States is approximately:

A 63-year-old woman with severe mitral regurgitation secondary to mitral valve prolapse persistent atrial fibrillation (AF) undergoes a mitral valve repair (MVr) and radiofrequency ablation for her AF. The patient tolerates the procedure well without any apparent complications and is transferred to the ICU post-operatively. Her recovery is unremarkable except for a persistent leukocytosis. On post-operative day (POD) 7, she has a white blood cell count of 30,000 cells/mm^3 and pain with swallowing. An IV contrast CT scan demonstrates mediastinal air at the level of the carina. What is the best nest step?

16. 81-year-old patient post-operative day 3 from CABG is found to have an abnormally fast heart rate on telemetry. The patient feels palpitations but is otherwise asymptomatic. EKG showed HR of 145, narrow QRS but irregularly irregular. The patient’s comorbid conditions include a long history of COPD, symptomatic asthma and constipation. What is the next best step in the management of this patients’ condition?

In patient’s with atrial fibrillation, the majority of thromboembolisms originate in the:

A 58-year-old man with a past medical history of persistent atrial fibrillation (AF) and hypertension is scheduled to undergo a MAZE procedure to correct his AF. During the procedure, it is important that the surgeon performs which of the following?

What vessel is at risk during a MAZE procedure:

Which of the following carries a Class I recommendation with level of evidence A for surgical ablation of atrial fibrillation (AF)?

Atrial fibrillation requiring pharmacologic or electrical cardioversion is described as

Indications for surgical management of atrial fibrillation (AF) include all of the following except: