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14 Αυγ 2023 · The ST segment encompasses the region between the end of ventricular depolarization and beginning of ventricular repolarization on the ECG. In other words, it corresponds to the area from the end of the QRS complex to the beginning of the T wave.
The ST segment represents the isoelectric period when the ventricles are in between depolarization and repolarization. The normal ST segment has a slight upward concavity. Flat, downsloping, or depressed ST segments may indicate coronary ischemia. ST elevation may indicate transmural myocardial infarction.
ST segment deviation (elevation, depression) is measured as the height difference (in millimeters) between the J point and the baseline (the PR segment). ST segment deviation occurs in a wide range of conditions, particularly acute myocardial ischemia.
29 Σεπ 2022 · The ST segment is the line between the “S” and “T” on an EKG readout. A depressed ST segment can signal an underlying health condition.
25 Απρ 2024 · An ST depression is a specific finding that may appear in a person’s ECG results. It occurs when the ST segment appears atypically low and sits below the baseline in someone’s results.
ST segment deviation (elevation, depression) is measured as the height difference (in millimeters) between the J point and the baseline (the PR segment). ST segment deviation occurs in a wide range of conditions, particularly acute myocardial ischemia.
19 Μαΐ 2024 · The ST-segment, in normal conditions, is flat or isoelectric, although small variations up to 0.5 mm may be present. To determine ST shift, the segment between previous T wave and the actual P wave (previous -TP segment) is used as reference.
