stress test
Medical term EKG and Cardiovascular Testing
A test of the heart during exercise or with medicine that makes the heart work harder, often with EKG monitoring.
Related terms
- sinus bradycardiaA regular rhythm from the SA node at fewer than 60 beats per minute.
- sinus tachycardiaA regular rhythm from the SA node at more than 100 beats per minute.
- somatic tremorEKG artifact from muscle movement or shivering that makes the baseline jittery.
- ST segmentThe EKG section between the QRS complex and the T wave; elevation can signal an acute heart attack and…
- 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 fibrillationA chaotic, life-threatening rhythm in which the ventricles quiver and blood is not pumped; it needs…