|Dobutamine Stress Echocardiogram
A dobutamine stress echocardiogram is a diagnostic procedure that may be used when a doctor wants to assess the heart muscle under stress. If exercise on a treadmill is not an option (too much stress on the heart) due to a person’s medical condition, a doctor may use an intravenous medication called dobutamine. Dobutamine causes the heart to beat faster and will mimic the effects of exercise on the heart.
|Dilation and Curettage (D and C)
A dilation and curettage procedure, also called a D and C, is a surgical procedure in which the cervix is dilated so that the cervical canal and uterine lining can be scraped with a spoon-shaped instrument to remove abnormal tissues.
|Deep Brain Stimulation
Deep brain stimulation (DBS) is a type of therapy that uses electrical stimulation to treat neurological conditions such as Parkinson disease (PD), essential tremor, and multiple sclerosis. It can ease symptoms and decrease the amount of medications you need, and improve your quality of life.
This test looks for bilirubin in your blood or urine. The test is usually done to look for liver problems, such as hepatitis, or blockages, such as gallstones.
This test is used to rule out whether you have a blood clot. When blood clots form and start to break down, they release the substance D-dimer into the blood.
|Deamidated Gliadin Antibody
This test helps your doctor find out whether you have celiac disease, an autoimmune disorder.
|Dehydroepiandrosterone and Dehydroepiandrosterone Sulfate
This test measures the level of DHEA and DHEA-S in your blood. It may also be used to check how well your adrenal glands are working.
|Digoxin Drug Level
This test measures the amount of the heart drug digoxin in your blood. When you take digoxin, it’s important that the drug be at the right level for you to benefit from it.
|Diphtheria Antitoxoid Antibody
This test measures the level of diphtheria antibodies in your blood. Diphtheria is extremely rare in the U.S., but you may be at risk if you have traveled to an area where the disease is common.
The direct antiglobulin test, or direct Coombs test, is a blood test used to diagnose a type of anemia caused by your immune system.