Diastolic Blood Pressure is An Important Indicator of Health
Blood pressure consists of two indicators: the upper and lower, or systolic or diastolic blood pressure. Both measures are important, but their changes are talking about various violations. That is why not all patients with high blood pressure are suited to different medications.
What is Blood Pressure
Blood pressure – is the total pressure in the arteries, which in various blood vessels is different: the vessel is located closer to the heart and its larger diameter, the higher the blood pressure. Standard blood pressure measurement on said arm about which the pressure in the brachial artery, which normally it is 120/80 mm Hg. The first digit indicates the systolic blood pressure of the pressure, i.e. the maximum pressure in the arteries when the heart is in systole, that is compressed and pushes the blood into the blood vessels. The value of systolic pressure depends on the frequency and strength of heart contractions, and why it is sometimes referred to as “cordial.” The more frequently the heart beats, the higher systolic blood pressure in the arteries.
A second or lower figure indicates the blood pressure Diastolic pressure, ie represents the minimum pressure in the arteries during diastole (when the heart muscle relaxation). Diastolic pressure depends on the resistance of the peripheral arteries. The height of the lower pressure is mainly determined by the degree of patency of the small arteries of the system, the frequency of pulsations and elastic properties of the arteries. The more they resist walls heart rate above and below the elastic resistance of the walls of large arteries, the higher the diastolic pressure.
As you move the blood pressure in the arteries decreases and the pressure in the capillaries (small blood vessels) are almost independent of the strength of the cardiac output. On the muscle tone of the arteries affects the state of the kidneys. Kidney secrete renin-active substance which enhances muscle tone of blood vessels, respectively, and diastolic pressure. Therefore, the diastolic pressure is often called the “kidney”.
What is the diastolic pressure should be normal
Normally, everyone has his normal blood pressure, which may be slightly above or below standard. But there are certain limits, with the outlet for which the blood pressure is already high or low. Thus, a steady increase in blood pressure to 140/90 millimeters of mercury is considered dangerous and suggests the possibility of early hypertension. The lower limit of normal should not exceed the value of 90/60 millimeters of mercury. Sometimes changing a single component, and the second is in the normal range. In this case, guided by the modified index. In healthy people, diastolic pressure ranges 65 ± 10 mm Hg. The average age of the most frequently diastolic pressure is 70 – 80 mm Hg, and after 50 – 80 – 89 mm Hg.
A single lifting or lowering blood pressure nothing says only have meaning consistently changed parameters as blood pressure may vary, e.g., depending on the stresses and environment temperature (high temperature and expands the artery blood pressure is reduced and vice versa) exercise (with the hard work of heartbeat quickens and increases systolic pressure).
What does the change in diastolic pressure
As far as increased diastolic blood pressure can be judged only by its combination with systolic or top pressure. On their compliance with said another indicator – the pulse pressure, which is determined by subtracting the systolic blood pressure Diastolic blood pressure. In a normal pulse pressure should be about 40 mm Hg. With an increase in systolic blood pressure (diastolic if normal) pulse pressure is growing, in this case it is necessary to look for abnormalities of the circulatory system.
If the pulse pressure is reduced, then it indicates an increase in diastolic blood pressure at which the pathology will need to look in the kidneys. But this, of course, the general conclusions in practice is much more difficult, because the diastolic blood pressure is influenced by not only the kidneys but also other organs and systems.
If your blood pressure is consistently above 140/90 mm Hg, the significantly increased risk of complications, such as stroke and myocardial infarction. If diastolic blood pressure less than 90 millimeters of mercury – this is a normal blood pressure, a 90 – 105 mm Hg indicate the beginning of hypertension, 106-115 millimeters of mercury – a moderate hypertension, 115 millimeters of mercury – a heavy and above 130 millimeters of mercury – a malignant hypertension. Malignant hypertension must be confirmed by the state of blood vessels in the eye fundus (arteries narrowed and twisted, enlarged veins).
With the constant rise in the blood pressure by 5 mm Hg and a third higher risk of stroke and a fifth – of myocardial infarction. If the diastolic blood pressure is raised by 10 mm Hg or more, the risk is increasing.
Diastolic blood pressure is an important indication for which the diagnosis of hypertension.Related Searches:
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