…of the QRS complex is called the PR segment. The PR segment is the baseline (also referred to as reference line or isoelectric line ) of…

…12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation Left bundle branch block. Left ventricular hypertrophy…

…12 seconds), provided that other causes of right axis deviation have been excluded. Causes of left axis deviation Left bundle branch block. Left ventricular hypertrophy…

…follows: [...] Of every 10 such victims, the heart in 6 or 7 showed no recent disease in coronary arteries or in heart muscle. In other…

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…

…to Evaluation of coronary artery disease and angina pectoris). Yet, exercise stress testing provides a fundamental parameter that cannot be obtained by other imaging methods…

… However, T wave inversions that are accompanied by ST segment deviation (either depression or elevation) is representative of ischemia (but in that scenario, it is…

…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 The ST segment: physiology, normal appearance, ST depression & ST elevation The ST segment corresponds to the plateau phase of the…

…enabling depolarization and repolarization, and between cells via gap junctions, facilitating the propagation of depolarization across the cells. Electrical potential differences arise as the electrical…