A 66-year-old female presents to the vascular lab with sudde…

A 66-year-old female presents to the vascular lab with sudden onset of severe right lower extremity pain at the calf, pallor, and pulselessness. The patient has no history of peripheral arterial occlusive disease and no vascular intervention. The patient describes a history of atrial fibrillation and previous transient ischemic attacks. What can be suspected in this patient?