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How does the heart compensate for changes in peripheral resistance?
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∙ 9y ago
Bleeding, technically known as hemorrhaging or haemorrhaging (see American and British spelling differences) is the loss of blood or blood escape from the circulatory system.[1] Bleeding can occur internally, where blood leaks from blood vessels inside the body or externally, either through a natural opening such as the vagina, mouth, nose, ear or anus, or through a break in the skin. The complete loss of blood is referred to as exsanguination,[2] and desanguination is a massive blood loss. Typically, a healthy person can endure a loss of 10-15% of the total blood volume without serious medical difficulties, and blood donation typically takes 8-10% of the donor's blood volume
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∙ 14y ago
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What do arteries close to the heart need to be able to compensate for?
Pressure changes
What factors influences resistance to blood flow in the arteries?
resistance occurs as the blood flows away from heart through the vessels in the peripheral systemic circulation a term known as peripheral resistance. Viscosity of the blood (thickness) ,vessel length (distance) and vessel diameter (blood vessel radius) are three factors
What is slightly enlarge heart?
The heart enlarges to compensate for conditions in the body that affect heart flow and functions of the heart. It would be more telling to know which side of the heart is enlarged or if the whole heart.
What differences would you expect to see in a diseased heart with high peripherial resistance as compared to the healthy heart of an athlete?
A diseased heart (as a result of high peripheral resistance or hypertension) would likely be representative of hypertrophic cardiomyopathy. In this pathologic condition, the heart has lost functional cardiac muculature and contains fibrous tissue in its place. Furthermore, the heart becomes dilated and ceases to perform adequately as a pump. In contrast, the healthy heart, especially the one of an athelete, is comprised of robust cardiac muscle tissue. In this healthy state, the heart can work easily and effortlessly to pump more than the usual volume of blood, when called upon.
Are headaches associated with peripheral artery disease?
No. Peripheral artery disease refers to vascular disease involving the peripheral circulation, which is distant from the heart (i.e., arms and legs), not the head, which would be considered central circulation. "HealthYes! Medical Advisory Board" Ideally to get more information about any potential risk you may want to consider health screening and talking to your primary health physician. I found out that there is preventive screening for peripheral artery disease.
What do arteries close to the heart need to be able to compensate for?
Pressure changes
Which Site is the major determinant of peripheral resistance?
cardiac output and heart rate
What is the relationship between peripheral resistance and blood pressure?
Systolic BP is a measure of blood pressure while the heart is pumping; diastolic BP is a measure of blood pressure while the heart is not pumping. BP is the pressure of the blood on the walls of the blood vessels.
Difference between a diseased heart with high peripheral resistance and the healthy heart of an athlete?
An athletes heart is in a healthy state and is comprised of robust muscle tissue . It can easily pump blood to the entire body without any effort . However high peripheral resistance is a compensatory mechanism of a failing heart in which vital organs sustain blood pressure in order to survive.
Why you use beta blocker in heart failure?
Beta blockers act to reduce the workload on the heart by reducing the heart rate and relaxing the aterial walls, decreasing peripheral resistance.
How the human heart could compensate for flow rate changes to maintain blood pressure?
The human heart could compensate for flow rate changes to maintain blood pressure by setting the pace at which it beats and maintains blood flow. When a heart rate increases, blood pressure will rise, and when a heart rate decreases, blood pressure will drop.
What factors influences resistance to blood flow in the arteries?
resistance occurs as the blood flows away from heart through the vessels in the peripheral systemic circulation a term known as peripheral resistance. Viscosity of the blood (thickness) ,vessel length (distance) and vessel diameter (blood vessel radius) are three factors
Why don't young people get heart attacks?
They have yet to develop physiological changes that cause diseases and disorders that compromise the heart to the point of heart attack. Theie bodies are able to compensate far more than older people.
What causes peripheral resistance?
Peripheral resistance is the force against blood flow. In most cases, an increase in peripheral resistance would be caused by an increase in vasoconstriction, which would decrease blood flow. Other factors can influence vasoconstriction, such as circulating angiotensin II levels, cortisol levels, drugs such as cocaine and other adrenergic agonists, blood volume, atherosclerosis, emboli, renal diseases and increased intra-cranial pressure. An increase in blood pressure will also be caused by vasoconstriction and the mentioned factors.
How do blood pressure and total peripheral resistance change with exercise?
total peripheral resistance will decrease because of vaso dilation of local arterioles that are supplying the active muscles i.e,skeletal muscles. and blood pressure will increase for two reasons: increased cardiac output resulting from increased pumping activity of heart. because of vasoconstriction of arterioles every where else in the body
What does peripheral blood vessels mean?
Peripheral means "at the edge". The blood vessels further away from the heart.
What is in a lamb heart?
No, those are an optional peripheral accesory.
