The T-wave: physiology, variants and ECG features
The normal T-wave Assessment of the T-wave represents a difficult but fundamental part of ECG interpretation. The normal T-wave in adults is positive in most…
Autor: Dr. Araz Rawshani
The ST segment: physiology, normal appearance, ST depression & ST elevation
The ST segment: physiology, normal appearance, ST depression & ST elevation The ST segment corresponds to the plateau phase of the action potential (Figure 13).…
QT duration & corrected QT (QTc) duration: ECG features & implications
QT duration and corrected QT (QTc) duration ECG interpretation always includes assessment of the QT (QTc) duration. The QT duration represents the total time for de-…
P-wave, PR interval, PR segment: physiology, criteria & ECG findings
Physiology and ECG features of the P-wave, PR interval and PR segment The P-wave ECG interpretation usually starts with assessment of the P-wave. The P-wave…
Answer to ECG quiz 5
The ECG shows AV-block III (complete heart block). P-waves are not related to QRS. PP-interval is constant, but independent of RR-interval, which is also constant.…
The QRS complex: ECG features of the Q-wave, R-wave, S-wave & duration
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…
Overview of the ECG Waves, Deflections, Intervals, Durations
Video lecture: The ECG curve: P-wave, PR Interval, Q-wave, R-wave, S-wave, QRS complex, ST segment, T-wave and QT interval Summary of lecture The Normal…
CME: How dietary fat affects coronary arteries, LDL cholesterol and body weight
Coronary artery disease: On LDL cholesterol, dietary fat & statins You are probably aware that ischemic heart disease, also known as coronary artery disease, has…
Introduction to pediatric & neonatal ECG interpretation
Principles of pediatric & neonatal ECG interpretation Pediatric and neonatal ECG interpretation follows the same principles as ECG interpretation in adults, but there are important…
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