1491 results found
Health topics
… the amount of oxygen that flows into your lungs and bloodstream. If your COPD is very bad and your blood oxygen levels are low, getting more oxygen can help … It can also be used at home if the oxygen level in your blood is too low for long periods. Your need for oxygen …
Health topics
… a heart murmur? A heart murmur is an extra sound that the blood makes as it flows through the heart. Your doctor uses … have innocent murmurs too. Murmurs also happen when your blood flows harder and faster than usual—during pregnancy, … valves. Heart valves operate like one-way gates, helping blood flow in one direction between heart chambers as well …
Health topics
… prescription and non-prescription medicines may reduce your blood's ability to clot and cause bruising or bleeding under the skin. A few examples are: Medicines (called blood thinners) that prevent blood clots. Also, taking a non-prescription medicine with a …
Health topics
… including paralysis and damage to the arteries that supply blood to the spinal cord. Other possible side effects include severely low blood pressure (hypotension), accidental injection of the … are not recommended if you have a disease that affects blood clotting, take a medicine (called a blood thinner) …
Health topics
… disease? A carotid artery on each side of the neck supplies blood to the brain. Carotid artery disease occurs when a … both arteries. The buildup may narrow the artery and limit blood flow to the brain. If this plaque breaks open, it may form a blood clot. Or pieces of the plaque may break off. A piece …
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… (anterior epistaxis) and involve only one nostril. Some blood may drain down the back of the nose into the throat. … nasal septum . Colds, allergies, or sinus infections. High blood pressure. Kidney disease. Liver disease. Blood clotting disorders. These include hemophilia , …
Health topics
… valve stenosis, the valve between your heart and the large blood vessel that carries blood to the body (aorta) is narrow. That forces the heart to pump harder to get enough blood through the valve. The procedure to widen the valve is …
Health topics
… 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 …
Health topics
… 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. … slightly higher-than-normal levels of liver enzymes in your blood and a biopsy shows no signs of liver damage. People …
Health topics
… 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 …
