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Oliver Gray——Works at the International Criminal Court, Lives in The Hague, Netherlands.
As a medical professional with expertise in cardiology, I can explain the significance of a long QT interval. The QT interval on an electrocardiogram (ECG) represents the time between the start of the Q wave and the end of the T wave, which corresponds to the duration of both the depolarization and repolarization of the ventricles—essentially, the time it takes for the heart's lower chambers to contract and then relax. A long QT interval is when this duration is longer than normal, and it can be a sign of an abnormality in the heart's electrical activity. read more >> -
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Isabella Lewis——Studied at the University of Sydney, Lives in Sydney, Australia.
Long QT syndrome is a heart rhythm disorder that can cause serious irregular heart rhythms (arrhythmias). ... In long QT syndrome, your heart muscle takes longer than normal to recharge between beats. This electrical disturbance, which often can be seen on an electrocardiogram (ECG), is called a prolonged QT interval.read more >>+119962017-11-18
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