The QTc interval is an EKG measurement of the duration of heart muscle following its contraction. A accurate prolonged QT interval is corrected for the heart rate. A prolonged QTc can be due to low calcium level, certain medications or genetic factors & can lead to serious arrhythmias. T wave abnormality is non diagnostic & may or may not be due to structural heart conditions. Consult cardiologis
Answered 4/6/2022
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