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10
| Term | Definition |
|---|---|
| Acute | sudden in onset, severe, requires short-term care |
| Cardioversion | a medical procedure that restores a normal heart rhythm when it's beating abnormally or too fast |
| Depolarization | electrical shift in muscle cells that causes them to contract |
| Repolarization | the return of stimulated muscle to the resting state. |
| Dysrhythmia/arrhythmia | an abnormal heartbeat or an irregular rhythm in the heart. |
| Echocardiography | a non-invasive ultrasound procedure that uses sound waves to create images of the heart and nearby blood vessels |
| Hypertrophy | the process of increasing the size, density, and shape of an organ or tissue, usually through cell enlargement |
| Idiopathic | relating to or denoting any disease or condition which arises spontaneously or for which the cause is unknown. |
| Electrophysiology | the study of the electrical activity of biological cells and tissues, including the heart. |
| Ischemia | a condition that occurs when an organ or part of the body doesn't receive enough blood flow, which can lead to a lack of oxygen and nutrients. |
| Necrosis | the death of body tissue, which can occur when cells in the tissue die prematurely. |
| Murmur | an extra sound in the heartbeat that occurs when blood flows through the heart in a turbulent way. |
| Segment | in an electrocardiogram (ECG) is the line between two points on the ECG that are at the baseline amplitude. |
| Telemetry | continuous transmission and monitoring of electrical activity of the heart |
| Vector | the electrical signal captured by an electrode during an ECG. |
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