Posts Tagged ‘blood pressure’
Importance Of Exercise In The Control Of Blood Pressure
Is shown that frequent physical exercise can lower blood pressure in a person with hypertension?
Yes, recent studies have shown: 1) that in people with hypertension, after a session of physical exercise dynamic of moderate intensity (brisk walking , jogging, bike ride without hills, gentle swimming, …) that lasts for 30 to 45 minutes, a decrease from 10 to 20 mmHg in systolic blood pressure during the 1 to 3 hours, and this response can be extended to 9 hours, and 2) that in people with moderate hypertension (140 – 180 / 90 – 105mmHg) can be seen after several weeks of physical training, an average decrease of 8 to 10 mmHg in systolic and 5 to 8 mm Hg diastolic blood pressure at rest.
Is that improvement in blood pressure observed in people with moderate arterial hypertension, occurs equally in people with normal tension or in those with high tension?
No. In general, the decrease in blood pressure with exercise training is greater the higher the blood pressure of the subject. In other words, people who have severe hypertension improved more than those with moderate hypertension, while those with normal blood pressure decrease your blood pressure very little sleep, but avoid the increase of the tension observed with age in sedentary people.
If physical training is a good treatment for hypertension, you do not take medicine against stress when deciding to exercise so often?
In the case of moderate hypertension (140-175 / 90-105 mmHg), the positive effects of the training program are similar to those produced by the commonly prescribed medication, with the difference that exercise training is accompanied by an improvement in other risk factors, as has been observed that treatment with medication against hypertension can worsen other risk factors. For this reason it is preferable for people with moderate hypertension treatment chosen as the physical training program instead of medication, especially since you are wondering whether they should be treated with medication or moderate hypertension. In the case of people with severe hypertension (resting values at or above 180 / 110 mmHg), it is recommended to take medication against hypertension and also to make a fitness program tailored to their physical condition because in this case only the treatment through physical activity is not enough to lower blood pressure to normal. When combining these two treatments in severe hypertension, there has been a decrease in mortality and, eventually, a reduction in medication dose.
Fighting high blood pressure with exercise
One of the focal points for a good treatment for hypertension or high blood pressure, is the physical exercise. In fact, some doctors place to exercise as part of the requirement that grant medical patients, a drug like more.
In fact, a pace that regular exercise can make blood pressure go down a point. For example, decrease of 16-10 to 15-9 once the body gets used. This is because the heart is accustomed to work better after each session of exercise, especially of the aerobic.
This improvement can be explained in several ways. By training the heart muscle, it will be able to mobilize more blood with fewer beats per minute, so that the pulse will decrease and the heart will tire less quickly. In addition, arteries coronary, which are responsible for nourishing the heart, dilate better and allows an improvement of the entire circulatory system.
There are other benefits that so indirectly improve the health of the circulatory system and the body in general. The main benefit is weight loss can be achieved, especially if combined with a healthy diet . Exercise also results in decreased levels of cholesterol which benefits the arterial circulation.
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Increased blood pressure during exercise
The nervous system plays an important role in increasing the body’s blood pressure . One of the most significant examples is when there is increased during muscular exercise.
During intense exercise the muscles need a lot of much greater blood flow . Part of this increase is due to local vasodilation of the muscle vasculature caused by increased metabolism of the myocytes (muscle cells).
Other increases occur as a result of elevated blood pressure sympathetic sympathetic stimulation caused by the circulation during exercise overall. In the more intense exercise may increase blood pressure by 30% -40% , which increases blood flow almost twice more.
The increase in blood pressure during exercise is due mainly to the following effect: while the motor areas are activated to initiate the exercise brain also activates most of the reticular activating system of the brain stem, including stimulation much greater vasoconstrictor and cardioaccelerator areas of the vasomotor center. This increase in blood pressure is a snap to maintain synchronization with increased muscle activity .
Are many other types of stress also produced a similar increase in pressure . For example, during the intense fear of blood pressure can increase up to twice normal in just a few seconds, which is known as alarm reaction.
Exercise: a way to lower your blood pressure
Bad news
There are three “bad news” about high blood pressure (hypertension). First, any increase in blood pressure increases the risk of having a heart attack, but this does not mean you will have a heart attack. Second, there are more than 50 million Americans with this important medical condition, and one in two people over 60 high blood pressure. Third, many men and women do not even know they have high blood pressure because they just have symptoms, especially in the early stages.
Good news
If you already know you have high blood pressure and is an important first step. There are different ways and easy to control your blood pressure and therefore reduce their risk of stroke. Mortality rates for heart attacks in the U.S. have declined by 40-60% over the past 20 years, partly due to more effective control of blood pressure.
Your Choices
Your choice of trying to lower blood pressure and use physical activity as part of your treatment depends on how high is your blood pressure. If you have a blood pressure (systolic value greater than 180 or diastolic value greater than 110), treatment should be by medications. Once your blood pressure is under control, physical activity can lower your blood pressure even more. Exercise can also decrease the need for medications, but usually not completely eliminated. You should contact your doctor before starting a physical activity to be sure of exercise recommended for you. Currently recommended as initial therapy for people with small or mid-rises in blood pressure change (3 to 6 months) in lifestyle towards healthier behaviors – including physical activity, decreasing the salt in foods, and losing but -. However, you should consult your doctor to be sure that these recommendations are applicable to you. Read the rest of this entry »
Diet for high cholesterol and hypertension
Both high cholesterol and hypertension are risk factors threatening cardiovascular health. From food, it is possible to counteract this situation to develop a diet special, which contains a selection of foods appropriate for both lower cholesterol and high blood pressure.
Abnormal levels of blood cholesterol can result in major cardiovascular problems, if this is added hypertension (blood pressure values greater than 70/140 mmHg), the situation could deteriorate further.
Since power can provide an answer to this situation through a special diet for hypertension as well for high cholesterol .
Food choices to lower cholesterol and blood pressure
Milk: Skim.
Yogurt: Skimming.
Cheese: Reduced-fat and sodium, and spreads are as tight. Avoid hard cheese ripening or large (contains too much fat and sodium).
Egg: Whole no more than 3 times a week. Egg every day.
Meat sea fish, chicken without skin or fat, beef fat or similar visible.
Vegetables: All preferably raw. Choose those containing a high potassium content: tomato, spinach, squash, carrots, beets. Read the rest of this entry »
Hypertension
Blood pressure is simply the amount of force exerted when the blood pushing against blood vessel walls. High blood pressure, or hypertension, is when there is too much pressure on vessel walls, which makes the heart work too hard to push blood through the arteries narrower. Over time, high blood pressure weakens the heart and causes hardening of the walls of the arteries, making them weaker and more susceptible to injury. Often, high blood pressure has no symptoms of any kind, but this damage to blood vessels or the heart can cause stroke, heart failure, myocardial infarction, renal failure, and loss of vision. This is why hypertension has the infamous nickname “the silent murderer” ( 1 ).
Have you heard that reducing sodium can lower blood pressure? Well, that’s true for many people ( 2 )! Sodium is found in many foods in small amounts but constitutes about 40% of table salt. It is necessary for the body in very small amounts, but most Americans eat too much. So how sodium increases blood pressure?
Sodium is always in solution in the body, so it passes through the digestive tract, blood vessels, it carries fluid. Normally, the vessels are quite elastic, as the walls of a balloon. However, excess fluid in sodium increases blood volume. As if we added water to a balloon, this makes the diameter of the vessels to stretch and makes the vessel wall is tense with the pressure. Over time, this increased pressure within the arteries can cause hardening of the walls of the arteries and lead to permanent damage.
Hypertension
Hypertension or high blood pressure occurs when the arteries are contracted or narrowed thus increasing resistance to blood flow through them. This makes the heart work harder to pump blood forcefully to start their journey through the body. If this condition is maintained for long periods can result in damage to the heart and arteries. It also increases the risk of stroke and heart failure, stroke (stroke), and kidney damage.
One characteristic of hypertension is usually causes no symptoms until there is a serious problem that can even be life threatening. For this reason hypertension is known as a silent murderer. When these symptoms may include nosebleed, arrhythmias, headache, blurred vision, dizziness, and tinnitus (abnormal sounds perceived in the ears or head). These symptoms usually occur only in severe cases. In diabetic patients blood pressure greater than 130/80 should be considered a risk factor and should be considered treatment.
Hypertension affects millions of people. Until the age of 55 more men than women with hypertension. However, thereafter the women begin to experience more of it than men. African-American descent People with this condition suffer more than other ethnic groups. Read the rest of this entry »
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High blood pressure
The frequency (22% of the adult population suffers from it), the serious impact caused in the health of those affected and the high cost of treatment and the complications that justify the relevance of results in hypertension.
The circulatory system has the heart (engine throws the blood), the arteries by circulating blood and distributed, the capillaries (facilitate the exchange between blood and tissues) and veins that collect blood once used and return it to heart. Blood flows with a pressure or tension, depending on how hard the heart and the driving resistance that oppose the arteries occurs as with the water that comes through a hose, if you open the faucet or clamped the hose, the water pressure rises.
There is a maximum pressure, systolic or high, which coincides with the heart’s contraction, and a minimum pressure, diastolic, or lower, with the cardiac relaxation. It is difficult to establish normal limits. Have been established for adults, based on the risk of developing complications, and are accepted internationally (see table).
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White coat hypertension
Hypertension can be caused by the elevation of the high, low or both simultaneously. Blood pressure changes throughout the day demonstrating a rise in the morning and decrease at night. Emotions, pain, stress and effort, they drive up blood pressure temporarily, but then returns to normal. The shots must be done in conditions, or else do not apply. Therefore, there will be several shots for a few months under standard conditions: after 5 or 10 minutes after you feel calm. No efforts have been carried out. Nor will smoking. Where tension reigns good measure temperature, there should be cold. If possible, samples shall be carried out by the same person with the same device. Those in pharmacies and other stores are reliable, but they are both conditions that is sometimes taken: after the walk, laden with packages, stressed …
Some people, on the other hand, only raises blood pressure when they go to the doctor: the “white coat hypertension” due to emotional factors. In some cases, may be prescient, and warn of future hypertension. When the voltage figures are very variable and there are doubts about whether it’s hypertension, we recommend a 24-hour ambulatory monitoring, which is to carry a small device that records the tension every 15 minutes 5.10, according is scheduled. After the day, dump the data to a computer to be analyzed by a doctor that studies the behavior of stress and reach a diagnosis.
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Why hypertension
Most of hypertension there is a cause that explains it, there is no illness behind. It is essential hypertension. And only one in 20 cases, there is the secondary hypertension, a symptom of kidney damage, adrenal gland tumors, coarctation of the aorta or dysfunction of the thyroid.
There are several factors that help the development of hypertension. Sometimes, the genetic component influences, hereditary. And with the old values increase blood pressure and hypertension cases. Obesity also weighs: 60% of hypertensive patients are obese. Alcohol also increases the tension. In some people, salt has a hypertensive effect.
The countries that consume too much salt or salty foods, have a high prevalence of hypertension. But at the individual behavior of stress is variable. A hypertensive salt are discouraged, and in some the decline occurs, but not always. Read the rest of this entry »
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