Basics: Difference between revisions

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*R: the positive deflection
*R: the positive deflection
*S: the negative deflection after the R-wave
*S: the negative deflection after the R-wave
 
*Small print letters (q, r, s) are used to describe deflections of small amplitude. For example: qRS = small q, tall R, deep S.  
*small print letters (q, r, s) are used to describe deflections of small amplitude. For example: qRS = small q, tall R, deep S.  
*R`: is used to describe a second R-wave (as in a [[RBBB|right bundle branch block]])
*R`: is used to describe a second R-wave (as in a [[RBBB|right bundle branch block]])
See figure for some examples of this.
See figure for some examples of this.

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