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S wave

 

Definition: a negative (downward) deflection of the QRS complex following an R w; successive downward deflections within the same QRS complex are labeled S', S'', etc.

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.

© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.

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