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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «R»:

  1. Rabies Rabies
    Rabies is an often deadly viral infection that is mainly spread by infected animals. Causes Rabies is spread by infected saliva that enters the body through a bite or broken skin. The virus travels from the wound to the brain, where it causes swelling, or inflammation. This inflammation leads to sy...
  2. Radial nerve dysfunction Radial nerve dysfunction
    Radial nerve dysfunction is a problem with the movement or sensation of the back of the arm (triceps), forearm, or hand. Causes Radial nerve dysfunction is a form of peripheral neuropathy. It occurs when there is damage to the radial nerve, which travels down the arm and controls movement of the tr...
  3. Radiation enteritis Radiation enteritis
    Radiation enteritis is damage to the lining of the intestines (bowels) due to radiation therapy, a type of cancer treatment. Causes Radiation therapy uses high-powered x-rays, particles, or radioactive seeds to kill cancer cells. Along with the cancer cells, radiation therapy may also damage cells ...
  4. Radiation sickness Radiation sickness
    Radiation sickness is illness and symptoms resulting from excessive exposure to radiation. Exposure may be accidental or intentional (as in radiation therapy). Considerations There are two basic types of radiation: ionizing and nonionizing. Nonionizing radiation comes in the form of light, radio wa...
  5. Radiation therapy Radiation therapy
    Radiation therapy uses high-powered x-rays, particles, or radioactive seeds to kill cancer cells. Information Cancer cells multiply faster than normal cells in the body. Because radiation is most harmful to rapidly growing cells, radiation therapy damages cancer cells more than normal cells. Specif...
  6. Radiation therapy - what to ask your doctor Radiation therapy - what to ask your doctor
    You are having radiation therapy to try to kill cancer cells. You may receive radiation therapy alone or also have other treatments. Your doctor or nurse may need to follow you closely while you are having radiation therapy. You will also need to learn how to care for yourself during this time. Belo...
  7. Radical prostatectomy Radical prostatectomy
    Radical prostatectomy is surgery to remove all of the prostate gland and some of the tissue around it, to treat prostate cancer. See also: Prostate resection - minimally invasive Description There are four main types of radical prostatectomy surgery. These procedures take about 3 to 4 hours: Rad...
  8. Radical prostatectomy - discharge Radical prostatectomy - discharge
    You had surgery to remove all of your prostate, some tissue near your prostate, and probably some lymph nodes. This was done to treat prostate cancer. Your surgeon may have made an incision (cut) either in the lower part of your belly or in the area between your scrotum and anus (open surgery). You...
  9. Radioactive iodine uptake Radioactive iodine uptake
    Radioactive iodine uptake (RAIU) is a test of thyroid function. It measures how much radioactive iodine is taken up by the thyroid gland in a given time period. See also:Thyroid scan How the Test is Performed You are asked to swallow a liquid or capsule containing radioactive iodine. After a certa...
  10. Radionuclide cisternogram Radionuclide cisternogram
    A radionuclide cisternogram is a nuclear scan test used to diagnose spinal fluid circulation problems. How the Test is Performed A lumbar puncture (spinal tap) is done first. Small amounts of radioactive material, called a radioisotope, are injected into the fluid in the lower spine. You will b...
  11. Radionuclide cystogram Radionuclide cystogram
    A radionuclide cystogram is a special imaging tests called a nuclear scan that involves placing radioactive material into the bladder. A scanner then detects radioactivity to check bladder and urinary tract functions. How the Test is Performed The specific procedure may vary slightly depending on ...
  12. Ramsay Hunt syndrome Ramsay Hunt syndrome
    Ramsay Hunt syndrome is a painful rash around the ear that occurs when the varicella zoster virus infects a nerve in the head. Causes The varicella zoster virus that causes Ramsay Hunt syndrome is the same virus that causes chickenpox (varicella) and shingles. In people with Ramsay Hunt syndrome, t...
  13. Rape Rape
    Rape is defined as sexual intercourse forced on a person without his or her permission, either by threat of force or on someone who is unable to give consent. Sexual intercourse may be vaginal, anal, or oral, and may involve the use of a body part or an object. Information According to most estimat...
  14. Rape prevention Rape prevention
    Rape is defined as sexual intercourse forced on a person without his or her permission. The most useful rape prevention tool available is to be more aware about rape. Always trust your instincts if you are somewhere or with someone that does not feel safe and comfortable. Information The following ...
  15. Rapid shallow breathing Rapid shallow breathing
    A normal breathing rate for an adult at rest is 8 to 16 breaths per minute. For an infant, a normal rate is up to 44 breaths per minute. Tachypnea is the medical term that your doctor uses to describe your breathing if it is too fast, particularly if you have rapid, shallow breathing due to an assoc...