ventricular fibrillation
Medical term EKG and Cardiovascular Testing
A chaotic, life-threatening rhythm in which the ventricles quiver and blood is not pumped; it needs immediate CPR and defibrillation.
Related terms
- CPRCardiopulmonary resuscitation: chest compressions and rescue breaths for cardiac arrest.
- defibrillationDelivering an electric shock to the heart to stop a life-threatening rhythm so a normal rhythm can return.
- stress testA test of the heart during exercise or with medicine that makes the heart work harder, often with EKG…
- stroke volumeThe amount of blood the left ventricle pumps with each beat.
- systoleThe phase of the heartbeat when the heart muscle contracts.
- T waveThe EKG wave showing ventricular repolarization (recovery).
- ventricular tachycardiaA fast, life-threatening rhythm from the ventricles with wide QRS complexes.
Study EKG and Cardiovascular Testing