IPA: /sɪˈstɒlɪk/
KK: /sɪˈstɑlɪk/
Related to the phase of the heartbeat when the heart muscle contracts and pumps blood out of the chambers.
The doctor measured my systolic blood pressure to assess my heart health.
Systolic → It is formed from "systole" (from Greek "systolē", meaning contraction) and the suffix "-ic" (meaning pertaining to). The word "systolic" refers to something pertaining to the contraction phase of the heart cycle.
Think of 'systole' which means contraction — so 'systolic' relates to the contraction phase of the heart.