2166 results found
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… the heat from a laser to seal or destroy abnormal, leaking blood vessels in the retina . One of two approaches may be … Focal treatment is used to seal specific leaking blood vessels in a small area of the retina, usually near the macula . The ophthalmologist identifies individual blood vessels for treatment and makes a limited number of …
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… recommendation. Either way, this information will help you understand what your choices are so that you can talk to … hepatitis B. Don't take antiviral medicine. Have regular blood tests and maybe a liver biopsy to check for liver … of both the hepatitis B virus and liver enzymes in your blood for at least 6 months or if you have liver disease. …
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… a flap of tissue that acts like a one-way door—it allows blood to flow to the left side of the heart without going to the lungs. It is kept open by the pressure of the blood that passes through it. Normally, when a baby is born and takes a first breath, blood starts to flow through the lungs. The foramen ovale …
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… is a narrowing of the aortic valve. The aortic valve allows blood to flow from the heart's lower left chamber … opening properly, forcing the heart to work harder to pump blood through the valve. This causes pressure to build up in … it may not be able to keep up the extra effort of pumping blood through the narrowed valve. This can lead to heart …
Health topics
… artery disease. Smoking: Causes the platelets in your blood to clump together easily by making your blood cells more "sticky" and more likely to form clots. … spasms in your coronary arteries, which can reduce the blood flow to your heart in a way similar to that of …
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… may cause injuries to the brain. Decreased or blocked blood flow to the brain. This may occur during a transient … that is caused by infection that has spread throughout the blood and tissues (sepsis). Heart problems, such as a heart … such as low levels of sodium and potassium in the blood. Low blood sugar (hypoglycemia) or high blood sugar …
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… in part of the immune system (the lymph system ). White blood cells called lymphocytes can become abnormal or … they do know that gene changes (mutations) occur in white blood cells called lymphocytes. These gene changes lead to … You may also get: Lab tests, including a complete blood count, to check the number of white and red blood …
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… premature ) or at a low birth weight. You may lose a lot of blood. Placental abruption usually occurs in the third … Common risk factors for placental abruption include: High blood pressure, whether the high blood pressure is a long-term problem or is caused by the …
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… the substance in the centre of your bones that produces red blood cells. A person with sickle cell disease has bone marrow that produces red blood cells with defective hemoglobin S. But if that bone … new cells restore the immune system and make normal red blood cells. Until recently this treatment was mostly done …
Health topics
… and systems of the body. These include problems with: The blood. There may be changes in the blood cells, anemia, and changes to organs related to … people with lupus produce antibodies that attack certain blood-clotting factors, causing the blood to clot too …
