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Learn how to assess the morphology, durations and intervals of the ECG waves, including the P-wave, QRS complex, ST segment and T-wave. See examples of normal, abnormal and pathological ECG findings and their causes.
- Electrocardiography
Sinus rhythm (which is the normal rhythm) has the following...
- A Systematic Approach
Sinus rhythm (which is the normal rhythm) has the following...
- Electrocardiography
Learn how to assess ventricular (RR intervals) and atrial (PP intervals) rate and rhythm from ECG waves. Find out the normal and abnormal causes of bradycardia and tachycardia with narrow or wide QRS complexes.
Learn about the basic ECG waves, intervals and segments, and how to interpret them clinically. Find online courses, lectures, books and quizzes on ECG basics and advanced topics.
Learn how to interpret the normal ECG intervals, such as PR, QRS, and QT, and how they reflect the cardiac conduction system. Find out the basic physiology of the cardiac action potential and the anatomy of the coronary arteries.
4 Φεβ 2021 · Learn how to measure and interpret the PR interval, which reflects conduction through the AV node. Find out the normal range, causes of prolonged or shortened PR interval, and examples of ECGs with abnormal PR intervals.
Learn how to interpret the ECG using an algorithm that covers rhythm, rate, axis, QRS complex, ST segment, T wave, PR interval and QT interval. Find out the common causes and findings of abnormal ECG patterns and how to diagnose them.
A normal ECG is illustrated above. Note that the heart is beating in a regular sinus rhythm between 60 - 100 beats per minute (specifically 82 bpm). All the important intervals on this recording are within normal ranges.
