3920 results found
Medical tests
… is most often used to find a pulmonary embolism . This is a blood clot that prevents normal blood flow in the lung. Two types of lung scans are usually … injected into a vein in your arm. It travels through your blood and into the lungs. Pictures from this scan can show …
Medical tests
… Overview A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been … attack to see if areas of the heart are not getting enough blood or to find out how much heart muscle has been damaged … ) is given through an IV . The tracer travels through the blood and into the heart muscle. As the tracer moves through …
Medical tests
… the level of adrenocorticotropic hormone (ACTH) in the blood to check for problems with the pituitary gland and … stress. Cortisol is needed for life, so its levels in the blood are closely controlled. When cortisol levels rise, … as ACTH. ACTH is released in bursts, so its levels in the blood can vary from minute to minute. Interpretation of the …
Health topics
… Information Overview Travel can make it hard to keep your blood sugar within your target range because of changes in … extra diabetes medicine, insulin and supplies, high and low blood sugar treatments (including glucagon, if you have it), … International travel When you are travelling to other countries: Find out which immunizations are needed for your …
Health topics
… bleeding from enlarged veins (varices). They make small blood vessels constrict, which reduces blood flow to veins that carry blood to the liver (portal veins). These medicines also may …
Health topics
… the body's main artery. The aorta carries oxygen-rich blood from the heart to the rest of the body. Because the … It can stretch and then shrink back as needed to adapt to blood flow. But some medical problems, such as … It can stretch and then shrink back as needed to adapt to blood flow. But some things weaken the artery walls and can …
Health topics
… be related to lack of insulin in your body. Triglyceride blood levels are usually elevated. High-density lipoprotein (HDL) blood level is usually low. These abnormal triglyceride and … risk for hardening of your arteries (atherosclerosis). When blood vessels that supply the brain and heart are blocked, a …
Health topics
… Canada. DOs that practice in Canada have trained in other countries, such as the United States. Osteopathic physicians complete osteopathic medical school, followed by an … such as the United States. Osteopathic physicians complete osteopathic medical school, followed by an …
Health topics
… may squirm in chairs at times, and then at other times be completely unable to stay seated. Children with … may squirm in chairs at times, and then at other times be completely unable to stay seated. Children with …
Health topics
… well they were performed previously. The test usually is completed by someone in close contact with the person, such … well they were performed previously. The test usually is completed by someone in close contact with the person, such …
