Blood pressure may be influenced by several factors, it is important to standardize the environment when blood pressure is measured. In at least one hour before the pressure of blood is taken. Avoid eating, strenuous exercise (which can lower blood pressure), smoking and caffeine consumption other constraints may affect blood pressure and should be considered when blood pressure is measured.
Although most insurance companies consider blood pressure 140/90 and higher for the general population, these levels may not be appropriate thresholds for all people. Many experts in the field of blood pressure to hypertension as a range, from lowest to highest. This range implies that there is no clear threshold values accurate pressure and blood pressure normal blood separately. People with so-called pre-hypertension (defined as blood pressure between 120/80 and 139/89) may benefit from reducing blood pressure by changes in lifestyle and perhaps a particular drug s "there are factors risk of damage to organs such as diabetes or renal disease (changes in lifestyle are discussed below.)
For some people, blood pressure readings below 140/90 may be a more appropriate limit of normal. For example, in certain situations, such as patients with long-term (chronic) kidney diseases that spill (lose) protein in the urine (proteinuria), blood pressure is ideally kept 130/80 or less. The aim is to reduce blood pressure at this level in these patients is a slow progression of renal damage. Patients with diabetes mellitus (diabetes) may also benefit from blood pressure that is less than 130/80. In addition, African Americans, who are highly at risk of developing complications of hypertension, may reduce the risk of reducing systolic blood pressure less than 135 and diastolic pressure of 80 mmHg or less.
In line with the thought that the risk of organ damage from hypertension is a continuum, statistical analysis shows that begin at a blood pressure of 115/75 the risk of cardiovascular disease doubles with each increase in pressure pressure of 20/10. This type of analysis has led to an ongoing "rethinking" over who should be treated for hypertension and what are the goals of treatment should be.
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