…death (SCD), Brugada syndrome (BrS) has evolved from an obscure electrocardiographic curiosity into a major focus of contemporary cardiac electrophysiology [1] . Recognized as a primary…

ECG Introduction to ECG interpretation Video lecture: The ECG curve: P wave, PR Interval, Q wave, R wave, S wave, QRS complex, ST segment, T…

…as compared with the left ventricle. Understanding this requires knowledge of the fetal circulation, which is illustrated in Figure 2 . The fetus obtains oxygenated blood…

…as compared with the left ventricle. Understanding this requires knowledge of the fetal circulation, which is illustrated in Figure 2 . The fetus obtains oxygenated blood…

…Figure 2. The direction of the QRS complex. Axis deviation: right axis deviation (RAD) and left axis deviation (LAD) Causes of right axis deviation Normal…

…Introduction to ECG interpretation The electrical axis of the heart (heart axis) Although often ignored, assessment of the electrical axis is an integral part of…

ECG Introduction to ECG interpretation The QRS complex (ventricular complex): normal and abnormal configurations and intervals A complete QRS complex consists of a Q , R…

…dysfunction in the conduction system. The J point and the ST segment The ST segment corresponds to the plateau phase (phase 2) of the action

…a wave front in water. Figure 2 shows the appearance of the action potential in contractile myocardial cells. Figure 2. The cardiac action potential in…

ECG Introduction to ECG interpretation Standard display of ECG leads in the 12 lead ECG Numerous conditions that can be diagnosed using the 12 lead…