Skip to content
TFS TFS HealthScience | Contract Research Organization | Global Resourcing Provider | CRO

Atrial Fibrillation (Afib)

Back to Glossary

Atrial Fibrillation (Afib)

Atrial fibrillation (Afib) is a common type of arrhythmia where the heart’s upper chambers (atria) beat irregularly and out of sync with the lower chambers (ventricles). It can cause palpitations, shortness of breath, and increase the risk of stroke.