ECG U-wave abnormalities can be seen in electrolyte disorders, myocardial ischemia, etc. Under normal circumstances, there is usually no U-wave behind the T-wave in the ECG, but some normal people can have small U-wave behind the T-wave, as follows: 1. Electrolyte disorders: If the ECG indicates abnormal U-wave, it can be seen in electrolyte disorders, such as hypokalemia, hypocalcemia, etc. It is recommended to further investigate electrolytes. 2, Myocardial ischemia: If the U wave shows obvious inversion, this condition may be myocardial ischemia and can be examined by exercise plate test. If the U wave is abnormal, accompanied by obvious T wave changes and ST segment changes, myocardial ischemia caused by coronary artery disease is highly suspected, and if myocardial ischemia caused by coronary artery disease is excluded, it can be seen in myocardial ischemia caused by hypertensive heart disease, dilated cardiomyopathy, etc. 3. wave abnormalities after the U wave.
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