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S wave

noun

Definition of S wave

:a wave (as from an earthquake) in which the propagated disturbance is a shear in an elastic medium (such as the earth) — compare pressure wave

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Origin and Etymology of s wave

secondary

Medical Dictionary

S wave

noun \ ˈes-ˌ \

medical Definition of S wave

:the negative downward deflection in the QRS complex of an electrocardiogram that follows the R wave

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