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CHECK YOUR BLOOD PRESSURE Korotkoff sounds are certain specific sounds heard when the arteries decompress and move the blood along them. They were invented by a Russian professor - Nikolai Korotkoff in the early 20th century during the 1st world war and remain the best ausculatory way to measure arterial blood pressure. When an artery is totally compressed, no sounds can be heard at all as no blood is moving. As the artery is slowly decompressed, certain sounds are heard which indicate a way of judging the level of pressure in the artery. In order to slowly decompress the artery we need to use an inflatable sphygmomanometer cuff and a stethoscope. The cuff is pumped up until no sound can be heard. Then the cuff is slowly deflated and the sounds occur: They occur in four stages : silence-tapping-thumping-muffled-silence again when the cuff is fully deflated and the artery is completely unobstructed. When the first sound is heard - the tapping, the reading on the sphygmomanometer is taken to be systolic pressure. The moment all the sounds disappear and you are left with silence again, the reading on the sphygmomanometer is taken as diastolic pressure. This is the way by which your blood pressure will always be taken at your local GP or health clinic. The standard BP is 120/80 which is systolic/diastolic. However it is likely that people will have blood pressure values of near that value and still be perfectly healthy.

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What produces the systolic korotkoff sound?

The first Korotkoff sound is the sound produced by the turbulence of the AV (atrioventricular valves) closing specifically the tricuspid and mitral valves. The second Korotkoff sound is produced by the closure of the aortic and pulmonary valves. You can hear a splitting of the second heart sound in a highly efficient heart.


What is the medical term for when sounds stop and restart while taking BP?

The first Korotkoff sound is when you first hear the pulse, and the fifth Korotkoff sound is when you no longer hear the post. Sometimes, there will also be an "auscultory gap," when you have a period with no sounds with korotkoff sounds heard before and after the gap.


What causes the sound of korotkoff?

The sound of Korotkoff is caused by turbulent blood flow in the brachial artery as blood pressure is being measured. The sounds correspond to different phases of blood flow as the pressure in the cuff is gradually released.


Sounds of turbulent blood flow that occur when blood flow resumes in an artery that has been occluded is what?

Korotkoff sound


Are the sounds of Korotkoff like a pulse?

Yes and no. They certainly sound like a pulse! But the pulse is a feeling of blood flow through a vein, whereas Korotkoff sounds are the sounds of turbulent blood flow through a constricted or partially occluded artery.


When are the sounds of korotkoff heard?

The sounds of Korotkoff are heard when taking blood pressure measurements using a sphygmomanometer. The first sound is heard when measuring systolic pressure as the cuff pressure falls below the pressure in the brachial artery, and the last sound is heard when measuring diastolic pressure as the cuff pressure continues to decrease.


Named after Nikolai Korotkoff a Russian physician who described them in 1905 what would your doc do to hear Korotkoff sounds?

check your blood pressure


Describe what are sounds of korotkoff?

Korotkoff sounds are the series of tapping or knocking sounds heard during measurement of blood pressure using a stethoscope. They correspond to the turbulent blood flow in the arteries as the cuff pressure is gradually released. The first sound (Phase I) indicates systolic blood pressure, while the disappearance of sounds (Phase V) indicates diastolic blood pressure.


Systolic is measured at which korotkoff?

The systolic pressure is measured at the first Karotkoff sound (stage I), it is the first tapping noise that you hear with a stethoscope when taking a manual blood pressure.


What are the five phases of the Korotkoff sounds?

there are 5 phases


When are korotkoff sounds evaluated?

While taking blood pressure


When korotkoff sounds evaluated?

While taking blood pressure