In what Korotkoff phase Can you hear a muffled sounds?Phase 4: A softer, blowing, muffled sound that fades. Softer and muffled sounds as the cuff pressure is released. The change from the thump of phase 3 to the muffled sound of phase 4 is known as the first diastolic reading.
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.. What is Korotkoff 4 and 5?Blood pressure observers, who were monitored throughout the examinations, recorded the onset of the first, fourth (muffling of sounds), and fifth (beginning of silence) Korotkoff phases.
When taking a blood pressure which sound is recorded as the muffled or last sound?K-5 (Phase 5): In K-5, the sounds disappear completely since the blood flow through the artery has returned to normal. The last audible sound is defined as the diastolic pressure.
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