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

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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