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Blood Presser | High Blood Pressure | Pulmonary Hypertension
Posted by Women Health >>> Teen Health | Women Health
High blood Pressure: High Blood Pressure [hypertension] is diagnosed when a patient’s blood is pushing too hard against the walls of the arteries. High blood pressure is a dangerous condition that is linked to heart attack, heart failure, stroke, kidney disease and other disorders.
How does the heart pump blood? The heart pumps blood by a highly organized sequence of contractions of its four chambers. The heart works as follows:
The right atrium receives blood from the veins. This blood carries little oxygen and lots of carbon dioxide. That’s because it’s returning from the body’s tissues, where much of the oxygen was removed and the carbon dioxide added. Venous blood is darker than arterial blood because of the difference in dissolved gases.
While the heart is relaxed, venous blood flows through the open tricuspid valve to fill the right ventricle. An electrical signal starts the heartbeat by causing the atria to con- tract. This contraction “tops off” the filling of the ventricle. Shortly after the atrium contracts, the right ventricle contracts. As this occurs, the tricuspid valve closes and the partially deoxygenated blood is pumped through the pulmonary valve, into the pulmonary artery and on to the lungs. In the lungs the blood gives up its carbon dioxide and gets oxygen before returning to the left atrium. This newly oxygenated blood is bright red.
High Blood Pressure
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What is cholesterol and where does it come from? : Cholesterol is a soft, fat-like substance. It’s found in the blood and in all the body’s cells. It’s an important part of a healthy body because it’s used to form cell membranes, some hormones and other needed tissues.
Because of the damage to the endothelium, fats, cholesterol, platelets, cellular debris, calcium and other substances are deposited in the artery wall. These may stimulate artery wall cells to produce other substances that result in further buildup of cells. These cells and the surrounding material (plaques) may become large enough to thicken the endothelium.
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The heart pumps blood continuously through the circulatory system. The circulatory system is the network of elastic tubes that carries blood throughout the body. It includes the heart, lungs, arteries, arterioles (small arteries) and capillaries (very tiny blood vessels). These blood vessels carry oxygen- and nutrient-rich blood to all parts of the body. The circulatory system also includes venules (small veins) and veins. These are the blood vessels that carry oxygen- and nutrient- depleted blood back to the heart and lungs. If all these vessels were laid end-to-end, they’d extend for about 60,000 miles. That’s enough to encircle the earth more than twice.
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Health Insurance for Pregnant Women: Healthcare Discount Programs: There are many alternatives to traditional Health Insurance for Pregnant Women, health insurance and Medicaid. These alternatives offer a discount on your healthcare and may help you out.
Women Health Care: Men and women may share many of the same health problems, yet women react differently to those problems. Treatments and diagnosis for common ailments such as heart disease and cancer can be very different for men and women. In addition, there are many health problems that are more common in women such as osteoarthritis, migraines and depression. Other conditions, such as menopause, are exclusively women's health concerns..
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