Skip to content

Upcoming changes to UnitedHealthcare coverage.

Systolic

Systolic

The systolic part of the heart (cardiac) cycle is when the heart muscle contracts and the heart chambers pump blood out to the lungs and the rest of the body.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

Clinical Review Board
All WebMD Ignite education is reviewed by a team that includes physicians, nurses, advanced practitioners, registered dieticians, and other healthcare professionals.

This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.