The most authoritative answer in 2024
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Ethan Harris——Works at the International Committee of the Red Cross, Lives in Geneva, Switzerland.
As a medical professional with expertise in cardiology, I can provide you with an explanation of the U wave on an electrocardiogram (ECG). The U wave is a deflection on an ECG that follows the T wave. It is not always visible due to its small amplitude, which can make it challenging to observe in a standard ECG reading. The U wave is believed to represent the repolarization of the Purkinje fibers, which are a part of the electrical conduction system of the heart. These fibers help to coordinate the contraction of the heart muscle. The presence of a U wave can be influenced by various factors, including electrolyte imbalances, certain medications, and heart conditions. read more >> -
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Harper Davis——Studied at the University of Oxford, Lives in Oxford, UK.
The 'U' wave is a wave on an electrocardiogram (ECG). It is the successor of the 'T' wave and may not always be observed as a result of its small size. 'U' waves are thought to represent repolarization of the Purkinje fibers.read more >>
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