3208 results found
Health topics
… inside the catheter. The doctor puts the catheter into a blood vessel in your groin. You will get a shot to numb the … goes in. Then the doctor moves the catheter through the blood vessel to the right ventricle of your heart. You may … this. Your doctor may also have injected a dye into your blood vessel and heart. The dye shows up on a screen. It …
Health topics
… are based on the presence of hepatitis B antigens in your blood, the level of hepatitis B viral DNA ( HBV DNA) in your blood, and the level of the liver enzyme alanine … is present (positive) or is not present (negative) in your blood. High levels of HBV DNA and liver enzymes may be …
Health topics
… prevents the lungs from getting enough oxygen into the blood. What causes it? A pneumothorax is often caused by an … examination and a chest X-ray. Your doctor may also do blood tests to measure the level of oxygen in your blood. You may need a CT scan or ultrasound to diagnose the …
Health topics
… and other conditions you may have, such as diabetes, high blood pressure, and high cholesterol. Exercise safely. Take … the heart. This test shows how well your heart is pumping blood and how well your heart valves are working. Sometimes … Cardiac perfusion scan. This test estimates the amount of blood reaching the heart muscle during rest and exercise. It …
Health topics
… and painful: Wave your arms in a circular motion to force blood out into your hands. Blow warm air onto cold hands. … over them or rubbing them together. This will help improve blood flow to your hands. Be careful not to burn your hands. … and painful: Wave your arms in a circular motion to force blood out into your hands. Blow warm air onto cold hands. …
Health topics
… filtration is the process by which the kidneys filter the blood, removing excess wastes and fluids. The estimated … rate (eGFR) is a calculation that determines how well the blood is filtered by the kidneys. This is one way to measure … filtration is the process by which the kidneys filter the blood, removing excess wastes and fluids. The estimated …
Health topics
… You stop breathing at times, and oxygen levels in your blood go down. If you snore but don't have sleep apnea: Your … sleep. You don't stop breathing, and oxygen levels in your blood don't change. Sleep Apnea … You stop breathing at times, and oxygen levels in your blood go down. If you snore but don't have sleep apnea: Your …
Health topics
… nutrition. How it happens Heart failure may cause blood to back up into the liver and intestines, and they may … swelling can lead to nausea and decreased appetite. Poor blood flow or swelling of the intestines may not allow for … nutrition. How it happens Heart failure may cause blood to back up into the liver and intestines, and they may …
Medications
… This drug and similar medications may rarely cause serious blood problems (low numbers of platelets and red/white blood cells) or liver problems. Tell your doctor right away … doctor or pharmacist your medical history, especially of: blood problems (such as low white blood cell count, anemia) …
Medications
… amphetamines may cause serious (possibly fatal) heart and blood pressure problems. Amphetamine-type medications can be … have serious side effects. This medication may raise your blood pressure. Check your blood pressure regularly and tell your doctor if the results …