A P wave (primary wave or pressure wave) is one of the two main types of elastic body waves, called seismic waves in seismology. P waves travel faster than other seismic waves and …

Jan 29, 2022 · P Wave Overview The P wave is the first positive deflection on the ECG and represents atrial depolarisation.

The P wave is one of the EKG waves. It is a small wave seen at the beginning of each cardiac cycle. It provides crucial information about atrial depolarization and heart rhythm disorders.

Aug 31, 2020 · The P wave represents the electrical depolarization of the atria. In a healthy person, this originates at the sinoatrial node (SA node) and disperses into both left and right atria.

Jul 23, 2025 · The P wave on an ECG visually depicts atrial depolarization, a specific electrical event within the heart. This process begins in the sinoatrial (SA) node, often referred to as the …

Learn a step-by-step approach to interpreting the P wave on ECGs—identify upright, rounded, or buried P waves, understand causes, and recognize AV blocks and arrhythmias.

Mar 4, 2025 · The P wave is a critical component of an ECG (electrocardiogram), offering insights into the electrical activity of the atria of the heart. This small, yet essential, waveform …

P waves are the first ECG wave of the cardiac cycle that represent the activation of the atria. They represent atrial depolarization and contraction and are usually less than 0.12 s (3 small …

Jul 29, 2023 · In electrocardiography (ECG), the P wave represents the electrical activity associated with atrial depolarization, which is the contraction of the atria. It is an essential …

Explore the mechanism of P wave formation, its appearance in limb and precordial leads, and how abnormalities affect the ECG curve and Lead II.