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Atrial Fibrillation Learning Center

In populations, blood pressures fit a normal distribution, but the attendant risks of heart disease and stroke increase curvilinearly with increasing levels of blood pressure, without any obvious breakpoint ( Fig. 63-1 ). Thus, the separation of normal from high blood pressure is arbitrary, and the definition of hypertension has been a moving target.
Source:Elsevier
Blood pressure is the force with which blood pushes against the artery walls as it travels through the body. Like air in a balloon, blood fills arteries to a certain capacity—and just as too much air pressure can cause damage to a balloon, too muc...
Source:Gale Nutrition and Well-Being A to Z
Hypertension is the term used to describe high blood pressure. Blood pressure readings are measured in millimeters of mercury (mmHg) and usually given as two numbers. For example, 120 over 80 (written as 120/80 mmHg. The top number is your systoli...
Source:ADAM
Date:April 23, 2009
The following Clinical Topic Tour provides an overview of hypertension (HTN) and was adapted from materials published by the NHLBI.
Source:Elsevier
Also known as high blood pressure, a condition in which too much force is exerted by the blood as it travels through the body's arteries. There are two types of hypertension: primary and secondary. Primary, or essential, hypertension is caused by ...
Source:Gale Encyclopedia of Childhood and Adolescence
Hypertension is an independent risk factor for coronary artery disease (CAD) and stroke, leading causes of morbidity and mortality in North America. Concern has been raised that there is inadequate outpatient detection, evaluation, and treatment of hypertension, and that this is resulting in increased hospital admissions with complications of untreated hypertension: heart failure, and end-stage renal disease .
Source:Elsevier
Hypertension is the medical term for high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's ...
Source:Gale Encyclopedia of Alternative Medicine
The National High Blood Pressure Education Program (NHBPEP) was established in 1972 by the National Institute of Health to translate research results on the health hazards of high blood pressure into clinical and public health practice. Before 190...
Source:Gale Encyclopedia of Public Health
Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's tissues.
Source:Gale Encyclopedia of Children's Health
Hypertension is high blood pressure. Blood pressure is the force of blood pushing against the walls of arteries as it flows through them. Arteries are the blood vessels that carry oxygenated blood from the heart to the body's tissues.
Source:Gale Encyclopedia of Medicine
Hypertension is high blood pressure . Blood pressure is the force of blood pushing against the walls of arteries as it flows through them.
Source:Gale Encyclopedia of Nursing and Allied Health
A heart attack is the death of, or damage to, part of the heart muscle because its blood supply is severely reduced or stopped.
Source:Gale Encyclopedia of Alternative Medicine
A heart attack is when blood vessels that supply blood to the heart are blocked, preventing enough oxygen from getting to the heart. The heart muscle dies or becomes permanently damaged. Your doctor calls this a myocardial infarction.
Source:ADAM
Date:April 23, 2009
A myocardial infarction, or heart attack, is the death or damage of part of the heart muscle because the supply of blood to the heart muscle is severely reduced or stopped.
Source:Gale Encyclopedia of Nursing and Allied Health
A heart attack is the death of, or damage to, part of the heart muscle because the supply of blood to the heart muscle is severely reduced or stopped.
Source:Gale Encyclopedia of Medicine
Coronary artery disease is a narrowing or blockage of the arteries and vessels that provide oxygen and nutrients to the heart. It is caused by atherosclerosis , an accumulation of fatty materials on the inner linings of arteries. The resulting blo...
Source:Gale Encyclopedia of Medicine
Coronary heart disease (CHD) is a narrowing of the small blood vessels that supply blood and oxygen to the heart. CHD is also called coronary artery disease. See also: Angina; Heart attack; Unstable angina.
Source:ADAM
Date:April 23, 2009
Coronary artery disease is a stenosis (narrowing) or blockage of the arteries and vessels that provide oxygenated blood to the heart . It is caused by atherosclerosis (hardening of the arteries), an accumulation of fatty plaque on the inner lining...
Source:Gale Encyclopedia of Nursing and Allied Health
The heart, a powerful muscle that beats over 50,000 times in one day, is fed the blood and energy it needs through small tubes called coronary arteries (see Figure 1). Coronary artery disease (CAD) is the most common cause of death and disability ...
Source:Gale Encyclopedia of Public Health
Hyperthyroidism is a condition in which the thyroid gland makes too much thyroid hormone. The condition is often referred to as an "overactive thyroid."
Source:ADAM
Date:April 29, 2009
Hyperthyroidism is the overproduction of thyroid hormones by an overactive thyroid.
Source:Gale Encyclopedia of Medicine
Hyperthyroidism is the overproduction of thyroid hormones by an overactive thyroid.
Source:Gale Encyclopedia of Children's Health
Hyperthyroidism is the condition that reflects excessive concentrations of thyroid hormones, due to any cause. The resulting hypermetabolic state causes increased heat production and accelerates many of the bodies' processes. Common causes are Gra...
Source:Gale Encyclopedia of Public Health
Hyperthyroidism is the overproduction of thyroid hormones by an overactive thyroid gland.
Source:Gale Encyclopedia of Alternative Medicine
Sick sinus syndrome is a collection of heart rhythm disorders that include: Sinus bradycardia - slow heart rates from the natural pacemaker of the heart; Tachycardias - fast heart rates; Bradycardia-tachycardia - alternating slow and fast heart rh...
Source:ADAM
Date:May 12, 2008
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