ECG measurement
QT intervals are measured
on a heart electrocardiogram (ECG). They measure "repolarization".
Longer QT intervals may be associated with arrhythmias (irregular heart
beats) such as torsades de pointes or ventricular tachycardia (VT).
There are also inherited disorders that are associated with prolong QT
intervals.
POSTED BY: STEVEN AJLUNI, MD
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