opening snap


Also found in: Dictionary, Thesaurus, Legal, Acronyms, Encyclopedia.
Related to opening snap: pericardial knock, ejection click

snap

 [snap]
a short, sharp sound.
opening snap a short, sharp, high-pitched click occurring in early diastole and caused by opening of the mitral cusps, a characteristic sound in mitral stenosis.

o·pen·ing snap

a sharp, high-pitched click in early diastole, usually best heard between the cardiac apex and the lower left sternal border, related to opening of the abnormal valve in cases of mitral stenosis.

o·pen·ing snap

(ō'pĕn-ing snap)
A sharp, high-pitched click in early diastole, usually best heard between the cardiac apex and the lower left sternal border, related to opening of the abnormal valve in cases of mitral stenosis.

snap

a short, sharp sound.

snap joint
capable of moving abruptly from a stable, in the sense of having great stability than the sense of its domicile, to a more mobile position, e.g. the equine elbow joint.
opening snap
a short, sharp, high-pitched click occurring in early diastole caused by opening of the mitral cusps, a characteristic sound in mitral stenosis.