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Browse our complete A-Z directory of healthcare terms and entities.
Showing 21 entries starting with "K" of type "Conditions"
Karyotype is a test to identify and evaluate the size, shape, and number of chromosomes in a sample of body cells. Extra or missing chromosomes, or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body functions.
Briefly discusses kava (also known as kava kava), a dietary supplement used to relieve anxiety, restlessness, insomnia, and stress-related symptoms. Covers safety issues and side effects, including liver damage in some when used for long periods.
Ketones (also called ketone bodies) are substances produced by the body as it breaks down fats for energy, a process called ketosis. Normally the body obtains the energy it needs from sugars (carbohydrates). A person may begin to break down fats and produce ketones because of: Having too little insulin, which prevents...
Dr. Kevin Kiley reviews medical content for Healthwise, a nonprofit organization with a mission to help people make better health decisions. Dr. Kiley is currently the Residency Program Director and an associate professor and chairman for the Department of Obstetrics and Gynecology at Albany Medical College in Albany...
Describes kidney cancer. Covers symptoms and how kidney cancer is diagnosed. Covers treatment with surgery and medicines.
Discusses kidney biopsy (also called percutaneous renal biopsy) done with a long thin needle to remove a sample of kidney tissue. Covers how it may be done to check for kidney disease or after a kidney transplant. Explains how it is done, risks, and results.
Many medicines may impair kidney function and cause kidney damage. And if your kidneys aren't working well, medicines can build up in your body. If you have chronic kidney disease, your doctor may advise you to continue to take a medicine but may change how much you take. Or you may change to a different...
Discusses nuclear scanning test to check way kidney works or its shape and size. Also called a renal scan. Covers use to check for cancer or how transplanted kidney is working. Explains how camera scans for radiation to make pictures of kidney.
Kidney stones are made of salts and minerals in the urine that stick together to form small "pebbles." They may form when the normal balance of water, salts, minerals, and other substances found in urine changes. How this balance changes determines the type of kidney stone you have. Most kidney stones are...
Courtesy of Intermountain Medical Imaging, Boise, Idaho. These figures show an X-ray with contrast dye (intravenous pyelogram, or IVP) of the kidneys, ureters, and bladder. Figure 1 shows a normal flow from the kidneys, through the ureters, to the bladder (white arrows). Figure 2 shows a kidney stone blocking the normal...
During kidney transplant surgery, a healthy kidney (donor kidney) replaces your own diseased kidneys, which may or may not be removed.
What is Klinefelter syndrome? Klinefelter syndrome is a genetic condition that affects males. Klinefelter syndrome occurs when a boy is born with one or more extra X chromosomes. Most males have one Y and one X chromosome. Having extra X chromosomes can cause a male to have a variety of physical traits. Many men with...
Learn how osteoarthritis usually begins, and listen to stories of how it can progress differently in different people.
Learn how cartilage is replaced by implants in knee replacement surgery.
Learn what to expect and what to watch for as you recover from knee arthroscopy.
Before starting any exercise program, talk to your health professional. He or she may ask that you do specific exercises and will help you determine how often and how long to do them and your long-term goals. Start the exercise slowly and gradually. Either keep track of how long you can do it or count...
Ligaments are tough, ropy fibers that connect one bone to another. The four ligaments of the knee connect the upper leg bone (femur) to the lower leg bone (tibia) and stabilize knee movement. The anterior cruciate ligament (ACL) and the posterior cruciate ligament cross inside the center of the knee joint and stabilize...
Hear what other people thought about as they decided whether to have knee replacement surgery.
Normal knee joint Inside a normal knee joint, thick cushioning (cartilage) covers and protects the ends of your bones. This is called hyaline cartilage. Another type of cartilage, called meniscal cartilage or meniscus, acts like a shock absorber between the bones and keeps the knee joint stable by spreading out the load...
Osgood-Schlatter disease is a knee problem that causes pain and swelling in the shinbone (tibia) just below the kneecap (patella). This is the spot where the patellar tendon attaches to a bony mound in the knee called the tibial tubercle. The disease is caused by too much stress on the muscles and tendons that support...
Today your options for where to get your medical care are greater than ever before. You may not even have to leave your home to get the care you want and need. You can choose based on what your health problem is and what works best for you. And you don't have to use one...