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Medical Tests

Medical tests are activities designed to determine, measure or diagnose a patient condition.

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What are newborn screening tests?
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by Cleveland Clinic
All newborns are screened for certain birth defects. With early detection, these conditions can be prevented or treated. Your baby's heel will be pricked and a sample of blood taken to test for the following: Phenylketonuria (PKU) – phenylalanine, a substance found in food, cannot be processed, and leads to a buildup in the brain that can cause mental retardation Galactosemia – the sugar in...
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How are tennis elbow and golfer's elbow diagnosed?
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by Cleveland Clinic
Diagnosis generally starts with a discussion of your condition, focusing on any activities that exacerbate and alleviate your symptoms. Pressure applied to the affected area can cause pain, indicating inflammation. Another diagnostic method is the "chair pick-up" test, in which your doctor asks you to lift a chair in a certain way. This maneuver generally causes discomfort in the area of the late...
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What is an electroencephalogram (EEG)?
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by Cleveland Clinic
An electroencephalogram (EEG) is a test during which the electrical signals of the brain are recorded. This electrical activity is detected by electrodes, or sensors, placed on the patient's scalp and transmitted to a polygraph that records the activity. Learn more about an electroencephalogram (EEG).
What happens during an electroencephalogram (EEG)?
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by Cleveland Clinic
You lie down on the examining table or bed while about 20 electrodes are attached to your scalp. You are asked to relax and lie first with your eyes open, then closed. You might be asked to breathe deeply and rapidly, or to stare at a flashing light. Both of these activities produce changes in the brain-wave patterns. If you are prone to seizures, it is rare that you might experience one during t...
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How is rabies treated?
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by Cleveland Clinic
Rabies is both prevented and treated with a rabies vaccine. The rabies vaccine is made from killed rabies virus. The vaccine cannot cause rabies. Current vaccines are relatively painless and given in the arm similar to other common vaccines. A special immune globulin can also be helpful in some cases. When it is useful; starting early is important. A medical professional can help you determine i...
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How long does the echocardiogram test take?
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by Cleveland Clinic
The appointment will take about 40 minutes. After the test, you may get dressed and go home or go to your other scheduled appointments.
What happens in a needle electrode examination?
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by Cleveland Clinic
You will be asked to lie on the examination table. A flat, metal disc electrode will be attached to your skin near the test area. A small, thin needle (about the size of a straight pin) attached by wires to a recording machine will be inserted in the specific muscles being examined. (Nothing is injected through this needle.) You will feel a brief pain each time the needle is inserted into the ...
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Why is an echocardiogram performed?
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by Cleveland Clinic
The test is used to: Assess the overall function of your heart Determine the presence of many types of heart disease, such as valve disease, myocardial disease, pericardial disease, infective endocarditis, cardiac masses and congenital heart disease Follow the progress of valve disease over time Evaluate the effectiveness of your medical or surgical treatments. Learn more about why an echo...
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What is angiography?
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by NewYork-Presbyterian Hospital
Angiography is a type of imaging test that allows doctors to view blood vessels throughout the body and diagnose blockages, enlargements, clots, and malformations. An angiogram to study the arteries is called an arteriogram; one to study the veins is called a venogram.
What is cerebral angiography?
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by Cleveland Clinic
Cerebral angiography is also known as intraarterial digital subtraction angiography (IADSA). In cerebral angiography, a catheter (long, thin, flexible tube) is inserted into an artery in the arm or leg. Using the catheter, a technician injects a special dye into the blood vessels that lead to the brain. In cerebral angiography, x-ray images show blood vessel abnormalities in the brain. Results fr...
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