Mayo Clinic researchers report that the risk of stroke that sometimes results from a common treatment for atrial fibrillation can be minimized when the patient takes anticoagulation medication prior ...

An obese man aged 41 years presented to his internist with episodic palpitations, dyspnea and fatigue. Paroxysmal AF was diagnosed and he was treated with digoxin, verapamil and quinidine. At age 51, ...