The P wave represents atrial depolarization, which originates in the SA node. The P wave has a lower amplitude and a more curved shape compared to QRS complex waves because of the slower depolarization magnitude and a slight delay in left atria (LA) depolarization compared to the right atria...
The P wave represents atrial depolarization, which originates in the SA node. The P wave has a lower amplitude and a more curved shape compared to QRS complex waves because of the slower depolarization magnitude and a slight delay in left atria (LA) depolarization compared to the right atria...
Question: Referring to the ECG, the P wave represents: A) atrial contraction. B) ventricular relaxation. C) atrial depolarization. D) atrial repolarization. ECG: One common way of diagnosing heart conditions is through an Electrocardiogram ...
Although often ignored, assessment of the electrical axis is an integral part of ECG interpretation. The electrical axis reflects the average direction of ventricular depolarization during ventricular contraction. The direction of the depolarization (and thus the electrical axis) is generally alongside the...
• P wave—atrial depolarization (activation) • QRS complex—ventricular depolarization (activation) • ST segment, T wave, and U wave—ventricular repolarization (recovery) Figure 2-2 The P wave represents atrial depolarization. The PR interval is the time from initial stimulation of the atr...
P Wave – represents the movement of an electrical wave originating at the sinoatrial (SA) node and resulting in the depolarization of the left and right atria. P-R Segment – the pause in electrical activity caused by a delay in conduction of the electrical current at the atrioventricular (...
The P wave represents atrial depolarization. Atrial systole begins after the P-wave onset, lasts about 100 ms, and completes before ventricular systole begins. The QRS complex represents ventricular depolarization. The ventricular walls have more mass and are thicker than the atrial walls. This, alo...
The Electrocardiogram Wave An ECG has three main components: the P wave, which denotes depolarising atria; theQRS complex, denotes the depolarization of the ventricles; and the T wave represents repolarising ventricles. During each pulse, a healthy heart has an ordered process of depolarization tha...
The main part of an ECG contains a P wave, QRS complex and T wave. Each will be explained individually in this tutorial, as will each segment and interval. The P wave indicates atrial depolarization. The QRS complex consists of a Q wave, R wave and S wave and represents ventricular depo...
The P-wave is of atrial origin,while the Q, R,S, and T-waves are of ventricular origin.(a) The P-wave indicates atrial depolarisation.During this wave,the impulse ofcontraction is generated by the SA node.The PQ-wave represents atrial contraction.(b) The QR-wave is preceded by ...