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tests & treatment library
Get information about the types of tests done to diagnose diseases and medical conditions, as well as the treatments that are available today.
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Articles 1-20 of 26
10 Instances of Medical Quackery Throughout History
Another headache? Time to reach for your snake oil -- or maybe your electromagnetic belt. Quacks have pulled the wool over people's eyes for years in the name of medicine. Here are 10 of their more outrageous cons.
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Can we treat mental illness with hallucinogens?
Hallucinogens have a reputation for expanding your mind. Is it warranted? Science says that a little psilocybin (or mescaline or MDMA) might be able to cure what ails you -- even addiction to drugs like heroin and meth.
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How CAT Scans Work
CAT scans take X-ray imaging to a whole new level. Find out how a CAT scan machine uses "slices" to form a 3-D computer model of a patient's insides.
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How does an oral HIV test work?
A recently FDA-approved rapid HIV test (one that doesn't have to be sent to a laboratory for processing) can use blood, serum or oral fluids with equal accuracy.
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How Fluid Overload Treatment Works
Treatment for fluid overload -- formerly known as "dropsy" -- has evolved quite a bit since ancient times.
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How fMRI Works
What if a scan could not only help diagnose diseases of the brain, but maybe even determine what we're thinking and feeling? A noninvasive fMRI test could do just that.
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How LASIK Works
Lots of people are trading in glasses and contacts for more permanent vision correction. Curious about vision correction surgery? Find out if you're a candidate for LASIK and see how the process works.
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How MRI Works
MRI provides an unparalleled view inside the human body. The biggest and most important component in an MRI system is the magnet -- it could suck a metal watch right off your wrist and into the machine.
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How the EUPHORIA Trial Worked
The EUPHORIA trial was an experimental study to find out if ultrafiltration would work well in heart failure patients with fluid overload and diuretic resistance.
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How the RAPID-CHF Study Worked
Researchers designed a clinical study to compare the safety and efficacy of ultrafiltration with that of diuretic drugs. The study was nicknamed the RAPID-CHF study. What were the results.
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How the UNLOAD Study Worked
Diuretics stop working for many people with advanced heart failure, so scientists developed a procedure known as ultrafiltration. The UNLOAD study compared the safety and efficacy of ultrafiltration with that of diuretic drugs. What did they find?
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How Ultrafiltration Works
Ultrafiltration is a medical therapy that removes excess salt and water from the bodies of patients who have a condition called fluid overload.
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How Ultrasound Works
Ultrasound lets us peek into the human body to see everything from heart valves to a moving baby. But how do sound waves give us a picture?
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How X-rays Work
X-ray machines seem to do the impossible: They see straight through clothing, flesh and even metal, thanks to some very cool scientific principles at work. Find out how X-ray machines see straight to your bones.
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MRI Quiz
An MRI machine is more than just a big, claustrophobia-inducing tube. How much do you know about what's going on inside -- or what's going on inside your body while you're in there?
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What is the cost of heart failure?
The American Heart Association estimates that about 5 million people nationwide have heart failure and the cost of treatment in 2008 rose to $35 billion. Why does a disease with no cure cost so much money?
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Which women should get MRIs in addition to mammograms?
In March 2007, two different sources released information recommending that MRI be included in the standard breast-cancer testing regimen for certain women.
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Will elastography replace biopsies for confirming a cancer diagnosis?
Even with the huge variety of harmless tumors the body can produce, they all have one thing in common: They're a lot softer than cancerous tumors. Elastography puts this trait to good use.
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Decoding 28 Medical Slang Terms
Doctors use slang terms to save time during their day to day operations. You'll find that some of the terms are quite humorous because of the way they describe the ailment. Find out what physicians are really saying when they use medical slang.
See more »Cholesterol Tests
Cholesterol tests have become fairly routine and painless, and they’re an important step in maintaining your health. There are a number of tests your doctor might use. Learn what these tests are and what the results mean.
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