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Doctor insights on: Brain Controls Blood Pressure

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Dr. James Dukelow
2 doctors shared insights

Blood Pressure (Definition)

Blood pressure is a measurement of the force placed on the blood vessels and is comprised of the "systolic" pressure (the top number on a blood pressure meter) which is the peak pressure when the heart is pumping, and the "diastolic" pressure (the bottom number on a blood pressure meter) which is the pressure during the resting phase ...Read more


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Does low blood pressure affect the brain?

Does low blood pressure affect the brain?

Sometimes...: Low blood pressure, if low enough, can decrease blood flow to the brain. Since blood carries oxygen, the person would then have low oxygen to the brain. The brain doesn't function well with low blood flow/oxygen and the person could experience light-headedness, confusion, etc. And may even pass out. ...Read more

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Which nerve system regulates dialation of the blood vessels?

Which nerve system regulates dialation of the blood vessels?

Autonomic system : The autonomic nervous system, which consists of the sympathetic & parasympathetic components control our pulse, respiration, blood pressure & many other body functions without our conscious input. ...Read more

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Which medicines control blood pressure?

Which medicines control blood pressure?

Lots of choices.: There are many different types of medications to control blood pressure. Diuretics decrease sodium and fluid retention. Beta blockers decrease the force of heart contractions. Vasodilators relax blood vessel tension. Ace inhibitors block chemicals that raise bp. Alpha blockers adjust blood vessel tone. Many patients need more than one drug to achieve ideal control. Combination pills are available. ...Read more

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Can high blood pressure affect the vision?

Can high blood pressure affect the vision?

Yes: Acute rise in blood pressure especially severe may result in visual disturbance. Chronic uncontrolled high blood pressure may also cause visual changes. ...Read more

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What decreases blood pressure?

What decreases blood pressure?

Several things: Blood pressure can be decreased by losing weight, exercising, eating a low salt diet, moderate alcohol consumption, and taking medication. Lifestyle changes may be the first treatment, followed by medication if needed or in addition to lifestyle changes if the blood pressure is high enough. ...Read more

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Blood pressure and amox-clav. Does this drug raise blood pressure?

Blood pressure and amox-clav.  Does this drug raise blood pressure?

No: Augmenting or Clavuanic acid - Amoxicillin - is broad spectrum antibiotics .More common side effect is upset stomach, diarrhea . It is sealed to " killing" all the good bacteria " probiotics' from gut as well as " bad " bacteria causing infection. It is good to keep well hydrated and consume health diet - including fermented food as Yogurt, Kefir. If you have High BP it could be the reason. ...Read more

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How do blood pressure regulators detect blood pressure levels?

How do blood pressure regulators detect blood pressure levels?

Pulse volume: Hi scar -- it's a pulse volume recording and it is based on regular pulses --. ...Read more

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If someone stands and their blood pressure drops due to dysdysautonomia. Do the blood vessels in the brain constrict?

If someone stands and their blood pressure drops due to dysdysautonomia. Do the blood vessels in the brain constrict?

Difficult to know: In a dysautonomic person where there are swings of blood pressure upon changes in body position it is impossible to know which blood vessels in the body may be constricting vs. Dilating. If a person stands whose BP suddenly drops and they become dizzy this usually is a sign that not enough blood is flowing to the brain. Some vessel constriction in the brain may happen as a compensation. ...Read more

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Which organs keep blood pressure from dropping too low?

Which organs keep blood pressure from dropping too low?

Many: Carotid artery receptors, kidney, heart, brain stem are all stimulated in some manner by low blood pressure to correct this, . ...Read more

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How does the blood pressure cuff measure blood pressure?

How does the blood pressure cuff measure blood pressure?

See below: The cuff is put around the arm and inflated. The pressure is increased enough to totally cut off flow through the artery. When the cuff is deflated, sounds are heard when flow begins. That is the systolic pressure. When the cuff further deflates, eventually there is no collapse of the artery at all and then the sounds disappear or muffle. That is the diastolic pressure. ...Read more

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Can high blood pressure and brain tumours have the same symptoms?

Can high blood pressure and brain tumours have the same symptoms?

High blood pressure: High blood pressure is usually asymptomatic, but so are brain tumors often. When a brain tumor presents with symptoms, it would usually be headache or neurologic change. High blood pressure would usually present with a stroke or tia, these can be similar symptoms to a brain tumor but generally are distinct. ...Read more

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Blood pressure is higher and headaches?

Blood pressure is higher and headaches?

Headaches and HBP: sy or may not be related. If u have headaches when BP is high and not when it is not them I suggest they are related in you. ...Read more

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If loss of blood can lower blood pressure, can high blood pressure people dobaye blood?

If loss of blood can lower blood pressure, can high blood pressure people dobaye blood?

Blood pressure: Patients with high blood pressure can physiologically donate blood. Often they will not be allowed to donate because they may be on anti hypertensive and other drugs. Gettting a transfusion which contains hypotension directed drugs could be a problem for some people. ...Read more

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