noun
- an abnormal heartbeat that occurs earlier than expected in the cardiac cycle
Usage: medical
Examples
- The patient experienced frequent extrasystoles during the stress test.
- An extrasystole can sometimes be felt as a skipped heartbeat.
- The cardiologist noted several extrasystoles on the ECG reading.
- Caffeine consumption may trigger extrasystoles in sensitive individuals.
- Most extrasystoles are harmless and require no treatment.
- The monitor detected an extrasystole followed by a compensatory pause.