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High blood pressure
Technically referred to as hypertension, it's a chronic condition in which the blood pressure in the blood vessels is elevated, or higher than normal. High blood pressure requires the heart to work harder than normal to circulate blood through the body, leading to a variety of medical symptoms. Blood pressure involves two measurements, systolic and diastolic, which depend on whether the heart muscle is contracting (systole) or relaxed (diastole) between beats. Normal blood pressure is at or below 120/80 mmHg. High blood pressure is said to be present if it is persistently at or above 140/90 mmHg.
Industry: Health care
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High blood pressure
Diastolic pressure
Health care; High blood pressure
The lowest pressure in the blood circulatory system, which occurs during the resting stage of the cardiac cycle or the time when the heart is resting between beats.
Angiotensin-renin-aldosterone system
Health care; High blood pressure
A group of related hormones that work together to regulate blood pressure and water (fluid) balance. When blood volume is low, juxtaglomerular cells in the kidneys secrete renin directly into ...
Corticosteroids
Health care; High blood pressure
A class of steroid drugs similar to the natural corticosteroid hormones produced by the body's adrenal glands. Corticosteroids are involved in a wide range of physiologic processes, including stress ...
Calcium channel blockers
Health care; High blood pressure
A class of blood pressure medications that relax and widen the blood vessels to decrease blood pressure in patients with hypertension. Calcium channel blockers or CCBs are particularly effective in ...
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