verb
- to undergo or cause rapid, irregular contractions of muscle fibers, especially in the heart
Usage: medical
Examples
- The patient’s heart began to fibrillate during surgery.
- Atrial fibrillation occurs when the heart’s upper chambers fibrillate.
- The defibrillator was used when his heart started to fibrillate.
- Certain medications can cause heart muscle to fibrillate.
- The doctor explained that fibrillating hearts cannot pump blood effectively.
- Emergency treatment is needed when ventricles fibrillate.