13

Walking Several studies have been done on the effects of walking and high blood pressure One Korean study1 had 23 men with hypertension; they found that taking a 40 minute walk helped to reduce the blood pressure in the test subjects Eating2 Avoid salt (sodium) because it puts higher strain on your blood vessels, which raises your blood pressure Eat ...


12

I would like to add a brief answer in common language. The heart is a pump which pushes blood into the arteries in pulsatile manner (pushes out blood with each heart beat). As the blood is pushed in the arteries, the pressure rises to a peak called systolic pressure, which is usually around 120 mm Hg. As the heart's main chamber (left ventricle) relaxes, the ...


12

The two numbers indicate different amounts of pressure (measured in millimeters of mercury) in the arteries at different times in the cardiac cycle. The cardiac cycle just refers to the different phases during a single beat of the heart. The top number is called the “systolic blood pressure.” That’s because it corresponds to the phase of the cardiac cycle ...


11

If you're saying that you have a low blood pressure and you're seeking to reestablish a phisiological value I would answer you that low blood pressure it's not a disease unless it's really too low, but this is something you should clarify with your doctor. Also, if there's a disease, you should first cure the causes instead of lookin for functional foods to ...


10

First of all, I am going to stay quite “general” as I understand you are not from the field. The aim of my post is really to provide some clarifications to your question. There are two types of strokes: ischemic (approx. 85%) and hemorrhagic (approx 15%). As you are speaking of “blood accumulated in the brain” I understand that you mean hemorrhagic stroke (...


8

tl; dr - The answer is yes, clinically you can react to having your blood pressure (BP) taken by having an abnormally high reading. What you are describing is called "white coat syndrome" or "white coat hypertension". However, from what I've found, it's not often accompanied by tachycardia (Increased heart rate). I did find a good discussion on this, and ...


8

This is a very good question. The answer: because your head was meant to be above your body! Your body has very specific mechanisms for maintaining a constant blood flow in the cerebral circulation despite shifts in blood pressure, either due to changing blood pressure in the rest of the circulation or due to a different 'local' pressure because of position ...


8

There is evidence that a muscular arm will produce a higher systolic reading if the wrong sized cuff is applied. There are two measurements in a blood pressure reading, the systolic and the diastolic. The systolic blood pressure (SBP) is the first number in a reading (Such as the 120 in 120/60), and the diastolic blood pressure (DBP) is the second number. ...


7

Nifedipine is a dihydropyridine calcium channel blocker. As you point out, it is used via oral administration for treatment of hypertension. Its effects are mediated primarily by blocking voltage-dependent calcium channels in the walls of systemic vasculature, causing vasodilation. This has the effect of lowering blood pressure. Your question, then, rests ...


7

Heart attacks are caused by reduced or blocked blood flow to the heart, but a sphygmonanometer cuts off the blood flow to the arm (or leg) only. It's not possible it could cause a heart attack directly even if it were left on indefinitely. However, leaving a BP cuff on for a very long time could cause injury and eventual tissue death in the arm, or possibly ...


7

Direct blood transfusion is both dangerous for the donor and inconvenient in a modern medical setting, so this does not really happen today outside of movies/TV. Before blood banking and anticoagulation, direct blood transfusion was done between the artery of a donor and vein of a recipient; pressure is much higher in the arteries than the veins. See Crile, ...


6

The easiest way to find out what might be wrong is to take the apparatus to a healthcare practitioner's office with you, and have your BP measured by someone trained to do so correctly, then use the cuff, and see how closely they match. Then adjust the looseness/tightness of the cuff, the position, etc., until you get matching BP's consistently. Accurate BP ...


6

Yes, mortality benefits for blood pressure medicine have been demonstrated in trials. Let me just preface this by saying this was much harder to find than I was expecting. Questioning the benefit of blood pressure reduction is medical heresy, so you'd think you wouldn't have trouble finding the data out there. First of all, let's define the question. We're ...


6

While coffee in large amounts can stimulate urine production, it's not enough to produce a dehydration effect, especially in people accustomed to drinking caffeine. This recent study compared 50 male coffee drinkers in short trials both with and without caffeine, and concluded that in coffee accustomed males, coffee had much the same hydrating effects as ...


6

This study published in 2014 provides an excellent review of the physiological mechanisms of cerebral blood flow regulation (open access): Willie CK et al. Integrative regulation of human brain blood flow. J Physiol. 2014 Mar 1;592(5):841-59. doi: 10.1113/jphysiol.2013.268953. Their list of references includes a very exhaustive list of studies conducted on ...


6

Like the left ventricle, the right ventricle goes through a contractile cycle: at diastole, the pressure is near zero (and must be <0 relative to the right atrium, or it wouldn't fill with blood); at systole the pressure is maximal and drops quickly upon the end of contraction and closure of the pulmonary valve. Healthy right ventricular systolic pressure ...


5

First, I should say that I think this question should be closed. It's clearly a request for personal medical advice, but apparently no one else shares that view, so I'll go ahead and answer. I would not want to reduce it any further. Then taking a supplement known to lower blood pressure would seem like a bad idea. This study compared the effects of ...


5

The mean pressure has to be lower peripherally for blood to flow in that direction. However, it is well known that there is an amplification of systolic blood pressure in the limbs due to reflection of pressure wave from periphery (see http://hyper.ahajournals.org/content/51/1/112.full). Vascular stiffness also affects this phenomenon. See figure 4 of this ...


5

Aneurysm - a pathologic ballooning of a segment of a blood vessel Source: http://www.nhlbi.nih.gov/health/health-topics/topics/arm/types - Public Domain In order for an aneurysm to occur, conditions must be present that cause degradation or abnormal development of the structural components of the blood vessel wall. We can list out common causes into those ...


5

While trying to measure the blood pressure, the physician is most likely interested in measuring the pressure inside the left ventricle of the heart. So it is necessary that the Sphygmomanometer and the cuff should remain at the level of the heart. If it is above the level of heart, the reading is likely to be low, and if it is below the heart, the reading ...


5

No, not in a normal human (non surgical intervention) simply because of the mechanism of how the blood is pushed through the body. It isn't like a faucet, where you have constant pressure and regulate by opening or closing a valve in varying degrees. The heart has 4 chambers that alternately relax and fill, then squeeze and empty. The arterial pulse is ...


5

The difference between systolic and diastolic pressures is known as the pulse pressure. (If this doesn't make sense, please see another answer of mine where I explained the meanings of the different components of blood pressure.) There is no "normal" or "should" that are well defined here. Despite that, there is quite a bit that can be said. What causes ...


5

If that is the accurate pressure, you really need to go to the emergency room! 188 is high but not immediately dangerous, but 134 for a diastolic is outrageous. At very least go to an urgent care or a pharmacy and have it double checked. To answer the original question, blood pressure and pulse are not directly related. The body regulates both separately ...


5

Take both to your doctor's office the next time and compare them to the manual cuff. There are many models that can be calibrated that way. Not all models are as accurate as others. This article from the American Heart Association recommends arm monitors over wrist ones. Wrist and finger monitors are not recommended because they yield less reliable ...


5

Fainting due to vaccination occurs only occasionally, your immune system usually takes longer to react to viruses or bacteria (this is the incubation time of an illness). 1 hour is a very unusual incubation time, furthermore the virus you get injected is not active anymore. It is therefore much more likely that a combination of anxiety and pain caused your ...


5

From the context of your question I would say no. Increasing K+ intake is alright but completely eliminating Na+ from the diet would be a bad idea. In terms of the cardiovascular diseases like high blood pressure associated with high NaCl intake,cutting down NaCl from the diet(that is making the food less saltier) or increasing the dietary intake of K+ ...


5

Caffeine increased plasma renin activity by 57 per cent, plasma norepinephrine by 75 per cent and plasma epinephrine by 207 per cent. Urinary normetanephrine and metanephrine were increased 52 per cent and 100 per cent respectively. Mean blood pressure rose 14/10 mm Hg one hour after caffeine ingestion. There was a slight fall and then a rise in heart rate. ...


4

Yes. This is one of the few areas of primary prevention* where the data are clear. The (intelligently) skeptical tone of your question suggests to me that you would be (appropriately) wary of drawing conclusions based on observational data or surrogate endpoints. Fortunately, you have asked a question about an area where rigorous data are available ...


4

Blood pressure is often checked in lower limbs also. BP needs to be checked in all limbs if one is suspecting obstruction in the arteries. Takayasu's arteritis and atherosclerosis are 2 conditions that can result in unequal blood pressure in different limbs due to obstruction of arteries. In ankle-brachial index test, blood pressure is checked in the arm ...


4

Blood pressure of a person varies throughout the day. This is attributed to numerous factors including stimuli from your sorroundings. As an innate tendency of the body. blood pressure is lower at night when you sleep, and is higher when you wake up in the morning. It continuously increases(roughly) as the day progresses. So there is no one best time to ...


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