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A member asked:
What are prolonged qt intervals?
7 doctors weighed in across 2 answers
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.
Answered 6/10/2013
5.6k views
Prolonged QT: The qt interval is an ECG representation of the time it takes for electricity to pass through the heart muscle in the bottom two chambers. Normally, this takes
Answered 8/8/2014
3.8k views
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