Oct 8, 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.

Mar 17, 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.

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 …

Nov 23, 2025 · Define the U wave on an ECG, explore its physiological basis, and reveal its critical role in diagnosing heart and electrolyte disorders.

Jul 31, 2025 · Sometimes, an ECG tracing might show a small, additional wave, often referred to as the U wave. The U wave appears on an ECG tracing as a small, typically positive deflection …

Dec 5, 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 …

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

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 …

• U waves are prominent if > 1-2mm or 25% of the height of the T wave. • The most common cause of prominent U waves is bradycardia. • Abnormally prominent U waves are …