The QRS complex represents the depolarization (activation) of the ventricles. It is always referred to as the “QRS complex” although it may not always display all three waves.

QRS Complex. As the name suggests, the QRS complex includes the Q wave, R wave, and S wave. These three waves occur in rapid succession. The QRS complex represents the …

2011年3月5日 · QRS complex. The QRS complex represents the depolarisation of the ventricles. It appears as three closely related waves on the ECG (the Q, R and S wave). ST segment. …

The QRS complex (ventricular complex): normal and abnormal configurations and intervals. A complete QRS complex consists of a Q-, R- and S-wave. However, all three waves may not be …

2024年9月29日 · The QRS complex comprises three individual waves; the Q wave represents the initial downward deflection, the R wave represents the sharp ascending deflection, and the S …

A complete guide to systematic ECG interpretation; assessment of rhythm, rate, P-wave, PR interval, QRS complex, J point, J 60 point, ST segment, T-wave, QT (QTc) interval and much …

ECG demonstrating a widening of the QRS complex. A sinus-wave QRS should be treated immediately with calcium chloride, whilst hyperkalemia associated with lesser ECG changes …

2011年2月28日 · A simple, step-by-step guide to reading an ECG (also known as ECG interpretation), with included ECG examples and ECG quiz questions.

2025年2月21日 · Reading an ECG may seem complex at first, but with practice and knowledge of the basics, you can gain a deeper understanding of your heart’s electrical activity. Whether …

The recorded tracing is called an electrocardiogram (ECG, or EKG). A typical ECG tracing is shown to the right. The different waves that comprise the ECG represent the sequence of …