A 45-year-old man with a history of paroxysmal atrial fibrillation presents to the ED with acute onset of severe pain and paresthesias in his right calf. On exam, you note lower extremity pallor and an absent dorsalis pedis pulse. Which of the following is the most likely diagnosis?A) Arterial atheroembolismB) Arterial thromboembolismC) Arterial thrombosisD) Arterial vasospasm