Stroke: Embolism

Question 1

Refers to the occlusion of a cerebral vessel, most often by a blood clot but also by infectious particles, fat, air, or tumor fragments.

Answer 1

Embolism

Question 2

Embolus from the heart gets lodged in the intracranial vessels

Answer 2

Cardioembolic stroke

Question 3

Cardioembolic stroke

Most commonly affected

Answer 3

Middle Cerebral Artery (MCA)

Question 4

Cardioembolic stroke

Most common cause

Answer 4

Atrial Fibrillation

Question 5

Cardioembolic stroke

Other causes

Answer 5

MI
Valvular disorders (prosthetic valves)
Rheumatic Heart Disease

Question 6

A thrombus formed on an atherosclerotic plaque gets embolized to the intracranial vessels

Answer 6

Artery to Artery Embolism

Question 7

Artery to Artery Embolism

Most common source

Answer 7

Carotid bifurcation atherosclerosis

Question 8

Artery to Artery Embolism

Other sources

Answer 8

Aortic arch
Vertebral arteries