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19 Ιουν 2013 · This animation features the heart and circulatory system and how they work. For more information, visit: http://www.mayoclinic.com/health/heart-disease/DS0...
Clinical Cousins discuss how to quickly find the Z axis in your patients EKG.
Content:0:00 Introduction0:29 Layers of the Heart1:12 Endocardium2:04 Myocardium5:18 Epicardium5:59 Pericardium7:21 Cardiac Conduction System8:34 Topography ...
12 Οκτ 2016 · Cardiac axis can be determined by examining the 6 limb leads, which look at the heart from different angles in a vertical plane. The QRS axis is the most important, and also the easiest to be determined, as it represents ventricular depolarization.
This lesson includes an animated video lecture, downloadable images, quiz questions and a PDF. Cardiac axis is the net direction of electrical activity during depolarization. In a healthy heart, the net movement is downward and slightly left. This axis is altered, or deviated, in certain conditions.
In the case of a normal cardiac conduction pathway, the wave of electrical activity travels from 11 o’clock to 5 o’clock. A pathology that affects the conduction pathway of the heart will therefore affect the way the wave of depolarisation causes the heart to contract.
Enjoy this basic ECG video series on selected aspects of ECG analysis and interpretation including heart rate, cardiac axis, QRS complex, AV block, sinus rhythm and others.
