8 oct. 2024 · The U wave is a small (0.5 mm) deflection immediately following the T wave, usually in the same direction as the T wave. Best seen leads V2 and V3.

The U wave is a wave on an electrocardiogram (ECG). It comes after the T wave of ventricular repolarization and may not always be observed as a result of its small size.

4 août 2025 · Though often subtle or even absent in a normal heart tracing, a prominent U wave can signal important physiological changes within the body. On an ECG tracing, the U wave typically …

5 déc. 2025 · U waves are low-amplitude deflections following the T wave that can be normal or pathological depending on their characteristics—inverted U waves in precordial leads V2-V5 are …

17 mars 2025 · The U wave is the wave that begins with the second heart sound and after the T wave. It is usually monophasic and positive, and is more evident in the leads V2 and V3.

23 nov. 2025 · The U wave is a gentle, rounded deflection appearing immediately after the T wave and before the P wave of the next cardiac cycle. Its position marks the very end of ventricular …

In a normal heart beat, the T wave represents repolarisation of the ventricles, specifically the repolarisation of the AV node and bundle branches. The U wave occurs when the ECG machine picks …

The normal U wave has the same polarity as the T wave and is usually less than one-third the amplitude of the T wave. U waves are usually best seen in the right precordial leads especially V2 and V3.

Learn about the mechanism of U wave formation in ECG, including prominent and inverted U waves, and their significance in cardiac assessments.

25 sept. 2025 · The presence of a prominent U wave on an electrocardiogram (ECG) most commonly indicates hypokalemia, but can also be associated with bradycardia, certain medications, ischemic …