What phases of Korotkoff sounds is the blood pressure heard?

What are the 5 phases of Korotkoff sounds?

Phase I. Blood is beginning to flow back into the artery and can be heard as a sharp tapping sound. ... .
Phase II. The cuff is deflated slowly, with blood flowing. ... .
Phase III. A large amount of blood is flowing into the artery. ... .
Phase IV. Blood is flowing easily, and the sound changes to a soft tapping. ... .
Phase V..

When are Korotkoff sounds heard?

Korotkoff sounds are produced underneath the distal half of the blood pressure cuff. The sounds appear when cuff pressures are between systolic and diastolic blood pressure, because the underlying artery is collapsing completely and then reopening with each heartbeat.

What are the phases of blood pressure called?

Systolic blood pressure (the first and higher number) measures pressure inside your arteries when the heart beats. Diastolic blood pressure (the second and lower number) measures the pressure inside the artery when the heart rests between beats.

Where are Korotkoff sounds best heard?

Korotkoff sounds are pulsatile circulatory sounds heard upon auscultation of the brachial artery.