46.反覆發生右眼暫時性黑矇症(transient monocular blindness, amaurosis fugax),下列何者是最有可能 的病因?
(A)右側內頸動脈狹窄(internal carotid artery stenosis)
(B)右側鎖骨下動脈狹窄(subclavian artery stenosis)
(C)右側中大腦動脈狹窄(middle cerebral artery stenosis)
(D)心房顫動造成心因性血栓(cardiac emboli)

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統計: A(3), B(0), C(0), D(0), E(0) #3817161