Electrocardiography
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57 slides .ppt
document in english
medical studies
presentation
date published 20/07/2007
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level : General public
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SummaryThe electrocardiogram (ECG) is a recording of the electrical potentials produced by cardiac tissue. Formation of electrical impulses occurs within the conduction system of the heart. When excited, or depolarized, atrial and ventricular myocardial muscle fibers contract.
The electrical currents produced by these electrical impulses spread through the body and are recorded from the body surface by applying electrodes at various body surface points and connecting them to a recording apparatus.
Table of Contents
- LEAD SYSTEMS
- Cardiac Vector
- Monitor Leads
- CELLULAR ELECTROPHYSIOLOGY OF THE HEART
- Cell Depolarization and Repolarization
- NORMAL ELECTROCARDIOGRAM
- Normal Segments and Junctions
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