The 5 phases of Korotkoff sounds are the sounds heard while measuring blood pressure manually with a cuff and stethoscope.
First sound = systolic
Disappearance of sound = diastolic
1 → Tap
2 → Swish
3 → Loud
4 → Muffle
5 → Silence
پزشکی: صداهای کوروتکوف ( صدای جریان خون )