Conditions
AFib / AF
atrial fibrillation
An irregular, often rapid heart rhythm from disorganised electrical activity in the atria. On an ECG the rhythm is irregularly irregular with no clear P waves.
How it gets tested
Appears in rhythm-recognition items and in items about why it matters — the stroke risk that follows from clots forming in the atria.
Quick check: AFib / AF
One question. Pick an answer to see the explanation.
What does AFib / AF stand for?
Related terms
Sitting the TEAS or the HESI A2? Find out what you actually know.
Free practice questions for every section of both exams, with an explanation after each answer. No account, no paywall.
Back to the full abbreviation list
Not affiliated with, endorsed by, or authorized by ATI (Assessment Technologies Institute), Elsevier, or any nursing program. TEAS® and HESI® are trademarks of their respective owners. Practice questions here are original study material, not the official exams.