How does age affect the accuracy of my pulse wave velocity?

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Mireya Armstrong asked a question: How does age affect the accuracy of my pulse wave velocity?
Asked By: Mireya Armstrong
Date created: Thu, Aug 26, 2021 3:19 PM
Date updated: Sat, May 28, 2022 9:31 AM

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Top best answers to the question «How does age affect the accuracy of my pulse wave velocity»

  • To give you the most accurate insights, the Health Mate app automatically takes age into account when interpreting measurements. For example, if you have a Pulse Wave Velocity measurement above 7.1 m/s and are less than 30 years old, your Pulse Wave Velocity is higher than the PWV of 90% of the population.

FAQ

Those who are looking for an answer to the question «How does age affect the accuracy of my pulse wave velocity?» often ask the following questions:

👋 How does exercise affect pulse wave velocity?

Many studies found increased central arterial stiffness and poor endothelial function in patients with coronary artery disease (CAD). Acute exercise has been shown to decrease peripheral pulse wave velocity (pPWV) in young healthy volunteers.

👋 What factors affect pulse wave velocity?

Pulse wave velocity (PWV) is one of the most widely used surrogates of arterial stiffness [1]. Previous studies demonstrated that PWV is associated with various factors such as age, gender, salt intake, genetic factors, blood pressure (BP), and heart rate (HR) [2, 3].

👋 Why does pulse wave velocity change?

According to this equation, the increase in the vessel wall thickness and/or the decrease in the vessel diameter would result in an increase of the PWV. In addition, age and blood pressure also exert a strong influence on the PWV (Weber et al., 2009).

Your Answer

We've handpicked 23 related questions for you, similar to «How does age affect the accuracy of my pulse wave velocity?» so you can surely find the answer!

How does the pulse wave velocity change with age?
  • Pulse Wave Velocity. With age, or due to changes in the arterial wall, these vessels become stiffer and the speed at which the pressure wave moves through the system is increased. In addition, there are reflected pressure waves that move back towards the heart at the end of the systolic period.
How do you calculate pulse wave velocity?

PWV is calculated as the distance traveled by the pulse wave divided by the time taken to travel the distance (path length) (Townsend et al., 2015; Vlachopoulos et al., 2015; Tomiyama et al., 2016; McDonald, 1968).

How do you increase pulse wave velocity?

Lifestyle changes such as a healthy diet and exercise, controlling blood pressure and diabetes, and managing cholesterol levels can help improve Pulse Wave Velocity measurements and consequently improve your overall cardiovascular health.

How is pulse wave velocity (pwv) measured?
  • How is Pulse Wave Velocity Measured? PWV can be collected by using two pressure catheters placed a known distance from one another, referred to as the Pulse Wave Distance. The time it takes the pressure wave to go from the upstream pressure catheter to the downstream pressure catheter provides the Pulse Transit Time (PTT).
What is a good pulse wave velocity?

The mean PWV found was 6.84 m/s ± 1.65. PWV increases linearly with aging with a high degree of correlation ( ; ) with low dispersion in younger subjects. PWV progressively increases 6–8% with each decade of life; this tendency is more pronounced after 50 years.

How does water depth affect wave velocity?

A shallow water wave's speed is dependent on ocean depth. If part of a wave is in shallower water then it will travel slower… If part of a wave is in shallower water then it will travel slower. A shallow water wave's speed is dependent on ocean depth.

How does the pulse wave affect blood vessels?
  • This wave leads to blood volume changes in the vessels that expand and contract in response to these changes. Pulse Wave Velocity is the propagation speed of this wave along the arteries. Increased stiffness of the arteries increases Pulse Wave Velocity.
How do you measure pulse wave velocity (pwv)?
  • Pulse wave velocity (PWV) is assessed by measuring transit distance and transit time between two sites in the arterial system and taking their ratio (Fig. 7.9 ).
What do you mean by pulse wave velocity?
  • Pulse Wave Velocity (PWV) is a measure of arterial stiffness, or the rate at which pressure waves move down the vessel.
How does fluid affect wave velocity and attenuation?
  • The fluid effects on wave velocity and attenuation depend on the frequency range. At low frequencies, the fluid has enough time to achieve pressure equilibration (relaxed regime) and Gassmann modulus properly describes the saturated bulk modulus.
What factors affect seismic wave velocity?

Composition, temperature, and pressure are all factors that can affect seismic velocity in the mantle. Laboratory elasticity data show that a decrease of 1% in the Mg/(Mg+Fe) ratio in olivine reduces the velocity by an amount equivalent to that caused by a temperature increase of 70 K.

How is arterial stiffness related to pulse wave velocity?
  • Increase of the arterial stiffness is associated with increase of the propagation speed of the pulse wave in the arteries. PWV can be measured in any arterial segment between two pulse-wave palpable regions (Townsend et al., 2015; Vlachopoulos et al., 2015; Tomiyama et al., 2016; McDonald, 1968 ).
What can you do with pulse wave velocity analysis?
  • We can observe the changes in pressure, blood flow, velocity and profile throughout the whole pulse wave. It can be used for classification of the artery elasticity. Pulse wave velocity analysis is a classic index of aortic stiffness and is a predictor of cardiovascular mortality in hypertensive cases.
How does increasing linear mass density affect wave velocity?
  • In a standing wave, we have the equation: where T is string tension and μ is linear mass density. By this, if we increase linear mass density, wave velocity will decrease. But how does this affect wavelength?
How does mass density affect wave velocity and wavelength?
  • In a standing wave, we have the equation: where T is string tension and μ is linear mass density. By this, if we increase linear mass density, wave velocity will decrease. But how does this affect wavelength?
How is the pulse wave velocity of the heart measured?
  • Pulse-wave velocity (PWV) is a measurement of arterial stiffness that is an independent predictor of cardiovascular risk. It can be measured simply and noninvasively by measuring the carotid and femoral pulse pressures and the time delay between the two or by other methods relying on pulse-wave analysis.
Is it possible to measure pulse wave velocity at home?
  • Because of its complexity, Pulse Wave Velocity measurement is not widespread, even in a hospital setting. But now, for the first time, Pulse Wave Velocity can be measured at home via the Body Cardio to assess overall cardiovascular health. What is the difference between Pulse Wave Velocity and Vascular Age?
What is a pulse wave velocity heart test used for?
  • A pulse wave velocity test is performed with devices that utilize either cuff or probes to measure blood circulation speed in meters per second. Medical professionals use the devices to measure blood flow at the carotid artery.
Where can i get a pulse wave velocity test pa?

What can you do with pulse wave velocity analysis?

  • We can observe the changes in pressure, blood flow, velocity and profile throughout the whole pulse wave. It can be used for classification of the artery elasticity. Pulse wave velocity analysis is a classic index of aortic stiffness and is a predictor of cardiovascular mortality in hypertensive cases.
How does clay affect the velocity of a seismic wave?
  • As a result, seismic velocities are heavily influenced by clay content. Even in small abundances, clays have been shown to significantly reduce the seismic velocity by reducing the shear modulus. The most significant factor affecting seismic wave velocities is porosity.
How does relative velocity affect the wavelength of a wave?
  • Relative velocity has a direct impact on the wavelength of a wave, whether light or sound or anything else. The speed of the wave itself depends on the medium, regardless of the nature of the wave. This is true for sound waves and light waves.
How does velocity affect the wavelength of a sound wave?
  • So for a given frequency its wavelength increases if velocity increases and for a given velocity its wavelength decreases if frequency increases. For sound the velocity is close to independent of frequency, so wavelength is inversely proportional to frequency.
Can we measure pulse wave velocity with noninvasive blood pressure monitoring?
  • Continuous, cuffless, and noninvasive blood pressure monitoring methods that correlate measured pulse wave velocity (PWV) to the blood pressure via the Moens−Korteweg (MK) and Hughes Equations, offer promising alternatives.