High Blood Pressure And Weight Control

Author: Jamess Bogdan 
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What is High Blood Pressure?
Blood pressure is the force of blood against the artery walls. It is often written or stated as two numbers. The first or top number represents the pressure when the heart contracts. This is called systolic pressure. The second or bottom number represents the pressure when the heart rests between beats. This is called diastolic pressure.
Blood pressure is traditionally measured with a device called a sphygmomanometer. It measures blood pressure in millimeters of mercury (mmHg). An inflatable cuff is wrapped around the arm and is inflated to squeeze the blood vessels in the arm. The health care provider uses a stethoscope to listen to the pulse as the pressure is released in order to determine the systolic and diastolic pressure. Some blood pressure testing devices are now electronic and provide digital readouts of the blood pressure measurement and pulse rate.
Blood pressure normally rises and falls throughout the day. When it consistently stays too high for too long, it is called hypertension. The Seventh Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure notes these levels for defining normal and high blood pressure in adults:  High blood pressure or hypertension for adults is defined as a systolic blood pressure of 140 mmHg or higher or a diastolic blood pressure of 90 mmHg or higher. Normal blood pressure is a systolic blood pressure of less than 120 mmHg and a diastolic blood pressure of less than 80 mmHg. Prehypertension is defined as a systolic blood pressure of 120–139 mmHg or a diastolic blood pressure of 80–89 mmHg. Persons with prehypertension are at increased risk to progress to hypertension.
If the systolic and diastolic blood pressure levels are in different categories, blood pressure status is defined according to the higher category. For example, a person with a high systolic pressure but a normal diastolic pressure will be considered to have high blood pressure (sometimes referred to as systolic hypertension). A person with a high diastolic pressure but a normal systolic pressure will be considered to have high blood pressure also (sometimes referred to as diastolic hypertension).
High blood pressure for adults will usually be measured on at least two different doctor visits before a diagnosis of high blood pressure is made.
For children, high blood pressure is determined by comparing the child’s blood pressure with the distribution of blood pressure for children of similar sex, age and height. A child whose blood pressure is greater than or equal to 95% of children of similar sex, age, and height (at or above the 95th percentile) would be considered to have high blood pressure. Prehypertension in children is classified as a blood pressure of 120/80 mmHg or higher but below the 95th percentile. A diagnosis of high blood pressure should be based on blood pressure readings on at least three different visits. The correct–size blood pressure cuff must be used.
More importantly, high blood pressure can be prevented or controlled through lifestyle changes and with medications when needed. Types of High Blood Pressure
Essential hypertension—in most cases, high blood pressure does not have a specific treatable cause. This form is called essential hypertension.
Secondary hypertension—in a few cases, the cause of hypertension is some other underlying condition. This is called secondary hypertension. This may be due to kidney disorders, congenital abnormalities, or other conditions. Blood pressure usually returns to normal when the problem is corrected.
Pregnancy–related hypertension—existing high blood pressure can predispose some women to develop problems when they become pregnant. This is called pre-existing chronic hypertension. Also, some women first develop hypertension when they are pregnant. There are several types of this pregnancy–induced hypertension, sometimes called gestational hypertension. Either type of high blood pressure can harm the mother's kidneys and other organs, and it can cause low birth weight and early delivery. Preeclampsia is a serious condition of pregnancy and is related to increased blood pressure and protein in the mother's urine (as a result of kidney problems). Preeclampsia affects the placenta, and it can affect the mother's kidney, liver, and brain. When preeclampsia progresses and seizures develop, the condition is known as eclampsia—the second leading cause of maternal death in the United States. Preeclampsia is also a leading cause of fetal complications, which include low birth weight, premature birth, and stillbirth. Most women who develop signs of preeclampsia are closely monitored to lessen or to avoid related problems. Treatment is focused on reducing water retention and lowering blood pressure to normal limits. Treatment of High Blood Pressure
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