lecture 11 - atrial fibrillation & arterial thrombosis Flashcards by Molly Hayward | Brainscape

Q

What is atrial fibrillation?

A

An arrhythmia Continuous, rapid, irregular activation of the atria by electrical impulses

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Q

What is the most serious complication of atrial fibrillation?

A

Stroke

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Q

What is the pathogenesis of stroke caused by atrial fibrillation?

A

AF means atria don’t empty properly
stasis in atria, particularly the appendages, causes clotting = thrombus
Thrombus embolises from left heart
embolus lodges in brain causing stroke

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