3218 results found
Health topics
… cells are part of the immune system and are a type of white blood cell . White blood cells protect the body against infection. CD4+ cells … being destroyed by HIV. As the number of CD4+ cells in the blood drops, it becomes harder for the immune system to …
Health topics
… deficiency may cause a buildup of homocysteine in the blood. Excess homocysteine may be released in the urine. … with homocystinuria may develop diseases of the heart and blood vessels at a young age. If homocystinuria is not … protrusion or depression of the breastbone). Formation of blood clots in deep veins (deep venous thrombosis, or DVT). …
Health topics
… Ischemia means your heart muscle is not getting enough blood and oxygen. It is usually caused by a narrowing or … or more of the coronary arteries . These arteries supply blood to the heart muscle. When you have ischemia, you may … go away when you rest because your heart is getting enough blood and oxygen. Angina Coronary Artery …
Health topics
… muscle simply cannot relax properly. This means that less blood can enter the chambers and less blood is circulated to the body. Obstructive hypertrophic … out into the lower heart chambers (ventricles). Blocked blood flow and smaller, less effective ventricles result, …
Health topics
… are used to treat and prevent problems caused by blood clots. These problems include deep vein thrombosis, … high risk for one. How do they work? Anticoagulants prevent blood clots from forming in your blood vessels and heart. They also keep blood clots from …
Medical tests
… the amount of follicle-stimulating hormone (FSH) in a blood sample. FSH is produced by the pituitary gland . In … It Is Done A health professional uses a needle to take a blood sample, usually from an arm. For a woman who is having … cycle or who cannot become pregnant, more than one blood sample may be needed to help identify a …
Health topics
… Overview Autonomic dysreflexia is a syndrome in which the blood pressure of a person with a spinal cord injury (SCI) … situations trigger an automatic reaction that causes your blood pressure to go up. Other things that may cause this … your legs, do so. You need to be sitting upright until your blood pressure is back to normal. Loosen or take off any …
Health topics
… causing breathing failure and low oxygen levels in the blood. ARDS is life-threatening, because it keeps organs … be caused by many things, including: An infection in the blood (sepsis). This is the most common cause of ARDS. … injury. An infection in the lungs (pneumonia) . Having many blood transfusions. Inhaling vomit. Breathing toxic fumes or …
Health topics
… can damage the organs, such as diabetes, uncontrolled high blood pressure, or cancer. At least 18 years old, in most … To learn more about kidney donation, contact Canadian Blood Services. What tests are done before you become a … After you decide to be a kidney donor, you will get a blood test called a cross-match. This test shows whether the …
Health topics
… a single medicine. Changing the medicine dosage. Having blood tests to make sure you have the right levels of … more frequent checkups to monitor the baby's condition and blood tests to monitor your drug levels. After birth, it's … K shot. (Some antiepileptic medicines can cause a temporary blood disorder in newborns that makes it hard for their …
