Systole

usgb/ˈsɪstəli/
noun

The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries.

During systole, the blood is pumped into the aorta and pulmonary artery.
Visual representation of "systole" - The phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries

Often appears as...

  • cardiac systole
  • ventricular systole

Usage tips

Formal

Technical

Definition 1 of 2
Visual representation of "systole"
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Heartbeat Phase

Systole is when the heart squeezes to send blood out.

Illustration for Heartbeat Phase
My doctor explained that systole occurs before diastole.
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Pronunciation Clue

Pronounce 'systole' with the stress on the first syllable: 'SIS-tuh-lee'.

Illustration for Pronunciation Clue
Correcting her mistake, she emphasized 'SIS' in 'systole'.
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Medical Context

Systole is technical, used mainly by healthcare professionals.

Illustration for Medical Context
In the medical seminar, 'systole' was frequently mentioned.
Visual representation of the word "Systole"

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