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A diagram explaining factors affecting arterial pressure. Pathophysiology is a study which explains the function of the body as it relates to diseases and conditions. The pathophysiology of hypertension is an area which attempts to explain mechanistically the causes of hypertension, which is a chronic disease characterized by elevation of blood pressure.
Grade 1 hypertension. The Antihypertensive and Lipid Lowering Treatment to Prevent Heart Attack Trial, also known as ALLHAT, was a randomized, double-blind, active-controlled study comparing at the same time, four different classes of antihypertensive drugs with the rate of coronary heart disease (CHD) events in ‘high-risk’ people with hypertension. [1]
The Systolic Blood Pressure Intervention Trial (SPRINT) is a multi-center clinical trial that was performed from 2010 to 2015, and published in November 2015. [1]The objective of the trial was to identify whether, in patients with a systolic blood pressure (SBP) of 130 mm Hg or higher and an increased cardiovascular risk, but without diabetes, treating to a systolic blood pressure target of ...
Hypertensive encephalopathy is most commonly encountered in young and middle-aged people who have hypertension. [ 7 ] [ 8 ] [ 9 ] Overall, the condition is rare even among people with hypertension. Studies report that from 0.5 to 15% of people with malignant hypertension develop hypertensive encephalopathy.
The first large study to show a mortality benefit from antihypertensive treatment was the VA-NHLBI study, which found that chlorthalidone was effective. [50] The largest study, Antihypertensive and Lipid-Lowering Treatment to Prevent Heart Attack Trial (ALLHAT) in 2002, concluded that chlorthalidone (a thiazide-like diuretic) was as effective ...
Eclampsia is the onset of seizures (convulsions) in a woman with pre-eclampsia. [1] Pre-eclampsia is a hypertensive disorder of pregnancy that presents with three main features: new onset of high blood pressure, large amounts of protein in the urine or other organ dysfunction, and edema.
In medicine, diuretics are used to treat heart failure, liver cirrhosis, hypertension, influenza, water poisoning, and certain kidney diseases. Some diuretics, such as acetazolamide , help to make the urine more alkaline , and are helpful in increasing excretion of substances such as aspirin in cases of overdose or poisoning.
Losartan, the first ARB. Angiotensin II receptor blockers (ARBs), formally angiotensin II receptor type 1 (AT 1) antagonists, [1] also known as angiotensin receptor blockers, [2] [3] angiotensin II receptor antagonists, or AT 1 receptor antagonists, are a group of pharmaceuticals that bind to and inhibit the angiotensin II receptor type 1 (AT 1) and thereby block the arteriolar contraction and ...