noun
asystole
noun
1
A medical condition in which the heart stops contracting entirely, showing no electrical activity.
"The monitor showed a flat line, confirming asystole."
How to Use Asystole
Learner’s notesIn plain EnglishComplete cardiac arrest — the heart has stopped beating and shows no electrical rhythm at all.
When to use it
A clinical/medical term, not used in everyday speech.
Easily confused with
systole
Word Forms
asystoles plural
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The monitor showed a flat line, confirming _____.
Etymology
From a- ("without") + systole ("contraction of the heart").