asystole
Medical term EKG and Cardiovascular Testing
Absence of heart contraction and pulse.
Sources
Related terms
- pulseThe rhythmic expansion of an artery with each heartbeat, used to count heart rate.
- 12-lead ECGA standard EKG that uses 10 electrodes, 4 on the limbs and 6 on the chest, to record 12 views of the heart.
- artifactInterference on an EKG tracing not caused by the heart, such as muscle tremor, patient movement or…
- atrial fibrillationA fast, irregular rhythm in which the atria quiver instead of contracting; it raises stroke risk.
- atrial flutterA fast, regular atrial rhythm with a sawtooth pattern on the EKG.
- AV nodeAtrioventricular node: tissue between the atria and ventricles that receives the impulse from the SA node…
- bundle of HisConduction fibers that carry the impulse from the AV node through the wall between the ventricles.
- cardiac cycleOne complete heartbeat: contraction (systole) and relaxation (diastole) of the chambers.
- cardiac outputThe amount of blood the heart pumps in one minute.