Latest research. Pulmonary Hypertension
Symptoms
Signs and symptoms of pulmonary hypertension are subtle in early stages of the disease and may not be noticeable for months or even years. As the disease progresses, signs and symptoms worsen. They include:
- Fatigue
- Shortness of breath (dyspnea), whether in the exercise or at rest
- Dizziness or fainting (syncope)
- The swelling (edema) in the ankles, legs, and finally in the abdomen (ascites)
- Pressure or chest pain
- Racing pulse or heart palpitations
- Bluish lips and skin (cyanosis)
Definition
You've probably heard of high blood pressure (hypertension) a common condition that affects how your blood flows through arteries in your body from the left side of his heart. A less common type of pressure high blood pressure called pulmonary hypertension, affects only the arteries in the lungs and the right side of his heart.
Pulmonary hypertension begins when the small arteries in the lungs, called pulmonary arteries and capillaries, become narrowed, blocked or destroyed. This makes it harder for blood flow through the lungs, which raises pressure within the pulmonary arteries. When the pressure increases, the heart of the lower right chamber (ventricle right) must work harder to pump blood through the lungs, eventually causing the heart muscle weakens and sometimes not at all.
The Pulmonary hypertension is a serious disease that progressively worsens and is sometimes fatal. Although not curable, treatments are available that can help reduce symptoms and improve their quality of life if you have pulmonary hypertension.
Causes
Your heart has two upper and two lower chambers. Each time the blood passed through his heart, the lower right chamber (right ventricle) pumps blood to the lungs through a large blood vessel (pulmonary artery). In the lungs, the blood releases carbon dioxide and picks up oxygen. Oxygen-rich blood then passes through the pulmonary veins to the left side of his heart. From there it is pumped by the left ventricle to the rest of your body through another large blood vessel, the aorta.
Normally, blood flows easily through the vessels of the lungs, so your blood pressure is usually much lower in the lungs. With pulmonary hypertension, increased blood pressure is the end result of a process that begins with changes in the cells that line the lungs' arteries. These changes cause the formation of extra tissue that eventually narrows or completely blocks blood vessels. Scarring (fibrosis) also occurs usually what causes the arteries narrow and stiff. This makes it harder blood flow, increasing the pressure in the pulmonary arteries. more ...
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Secondary Hypertension: Main Causes
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