Korotkov sounds

Korotkov sounds

Cardiology Low frequency vibrations–< 200 mHz arising in vascular walls and heard distal to cuff compression of a peripheral artery; KSs are subdivided into an initial transient murmur–opening tap and compression murmur–rumble. Cf Doppler ultrasonography.
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The oscillometric index is a useful guide, the sensitivity of these instruments allows readings to be obtained when the pressure is too low to produce audible Korotkov sounds, and the recognition of cardiac irregularities is greatly facilitated" (1).
Blood pressure was measured after a 30-min rest on three different occasions at the sitting position, and Korotkov sounds phase V were estimated as diastolic blood pressure.