ECG Introduction to ECG interpretation QT duration and corrected QT (QTc) duration ECG interpretation always includes an assessment of the QT interval (QT duration). The…

…segment starts. The T wave The T wave reflects the rapid repolarization (recovery) of the myocardium and T wave changes occur in numerous conditions. T…

…foramen ovale – between the right and left atrium. Most of the blood in the right atrium flows through the foramen ovale into the left atrium…

…foramen ovale – between the right and left atrium. Most of the blood in the right atrium flows through the foramen ovale into the left atrium…

…Figure 1. The electrical axis of the heart (heart axis). As evident from the figure, the normal heart axis is between –30° and 90°. If…

…Figure 38. The electrical axis of the heart (heart axis). As evident from the figure, the normal heart axis is between –30° and 90°. If…

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

ECG Introduction to ECG interpretation ECG Interpretation: definitions, criteria, and characteristics of the normal ECG waves, intervals, durations and rhythm This is arguably one of…

…volumes of blood before the ventricles begin contracting. To coordinate these two tasks, the heart has an intrinsic pacemaker–i.e. the sinus node–and…

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…