- 1. EKG P Wave
- [P wave is the electrical signature of the current that causes atrial contraction - the portion of the EKG tracing that represents depolarization of the atrial myocardium. Initial portion of the P wave is largely a reflection of right atrial depolarization and the terminal portion reflects depolarization of the left atrium. ( NCI )] (UMLS (NCI) C0429084) =Finding
| - 3. EKG ST Segment Elevation
- [EKG ST segment elevation is usually attributed to impending infarction, but can also be due to pericarditis or vasospastic (variant) angina and early repolarization. In some healthy young adults, a form of ST elevation can be normal. The height of the ST segment is measured at a point 2 boxes after the end of the QRS complex. ST segment elevation is considered significant if it exceeds 1 mm in a limb lead or 2 mm in a precordial lead. ( NCI )] (UMLS (NCI) C0520886) =Finding
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