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Diseases & conditions A-Z List

Diseases & Conditions A-Z List - «P»:

  1. Patent ductus arteriosus Patent ductus arteriosus
    Patent ductus arteriosus (PDA) is a condition in which a blood vessel called the ductus arteriosus fails to close normally in an infant soon after birth. (The word "patent" means open.) The condition leads to abnormal blood flow between the aorta and pulmonary artery, two major blood vessels that ca...
  2. Patent foramen ovale Patent foramen ovale
    While a baby grows in the womb, there is a normal opening between the left and right atria (upper chambers) of the heart. If this opening fails to close naturally soon after the baby is born, the hole is called patent foramen ovale (PFO). Causes A foramen ovale allows blood to bypass the lungs. A b...
  3. Patent urachus repair Patent urachus repair
    Patent urachus repair is surgery to repair a bladder defect. In an open (or patent) urachus, there is an opening between the bladder and the umbilicus that should not be there. An open urachus occurs mostly in infants. Description Children who have this surgery will receive general anesthesia (asl...
  4. Pathological gambling Pathological gambling
    Pathological gambling is being unable to resist impulses to gamble, which can lead to severe personal or social consequences. Causes Pathological gambling usually begins in early adolescence in men, and between ages 20 and 40 in women. Pathological gambling often involves repetitive behaviors. Peop...
  5. PBG test PBG test
    Porphobilinogen (PBG) is one of several types of porphyrins found in your body. Normally, your body breaks down porphyrins into heme, an important part of hemoglobin. Porphyrins usually leave your body through urine or stools. If this process is interrupted, porphyrins such as PBG can build up in yo...
  6. Peak expiratory flow rate Peak expiratory flow rate
    The peak expiratory flow rate measures how fast a person can breathe out (exhale) air. It is one of many tests that measures how well the lungs are working. How the Test is Performed This test requires a peak expiratory flow monitor: a small handheld device with a mouthpiece at one end and a scale ...
  7. Pectus carinatum Pectus carinatum
    Pectus carinatum describes a protrusion of the chest over the sternum, often described as giving the person a bird-like appearance. Considerations Pectus carinatum may occur as a solitary abnormality or in association with other genetic disorders or syndromes.The condition causes the sternum to pro...
  8. Pectus excavatum Pectus excavatum
    Pectus excavatum describes an abnormal formation of the rib cage that gives the chest a caved-in or sunken appearance. Considerations Pectus excavatum is a congenital (present at birth) abnormality that can be mild or severe. It is caused by too much growth of the connective tissue that joins the ...
  9. Pectus excavatum - discharge Pectus excavatum - discharge
    Your child had surgery to correct pectus excavatum. This is a deformity of the front of the chest wall that causes a sunken breastbone (sternum) and ribs. There is now a metal bar or strut that goes across the front of your child’s chest cavity. It will stay in place for about 2 to 3 years. ...
  10. Pectus excavatum repair Pectus excavatum repair
    Pectus excavatum repair is surgery to correct pectus excavatum. This is a deformity of the front of the chest wall that causes a sunken breastbone (sternum) and ribs. Description There are 2 types of surgery to repair this condition -- open surgery and closed surgery. Both of these are done while t...
  11. Pediatric heart surgery Pediatric heart surgery
    Heart surgery in children is done to repair heart defects a child is born with (congenital heart defects) and heart diseases a child gets after birth that need surgery. The surgery is needed for the child’s well-being. Description There are many kinds of heart defects. Some are minor, and ot...
  12. Pediatric heart surgery - discharge Pediatric heart surgery - discharge
    Your child had surgery to repair a heart defect. If your child had open-heart surgery, an incision was made through their breastbone. They were also put on a heart-lung bypass machine. If your child had closed-heart surgery, or minimally invasive surgery, they had an incision made between 2 of their...
  13. Pedicle Pedicle
    A pedicle is a stem or stalk of tissue that connects parts of the body to each other. The brain has many pedicles (such as cerebral pedicle or middle cerebellar pedicle) that connect areas of the brain to each other. Skin tags are small pieces of skin tissue that connect to the body with a pedicle....
  14. Pellagra Pellagra
    Pellagra is a disease that occurs when a person does not get enough niacin (one of the B complex vitamins) or tryptophan (an amino acid). Causes Pellagra is caused by having too little niacin or tryptophan in the diet. It can also occur if the body fails to absorb these nutrients. It may develop af...
  15. Pelvic (between the hips) radiation - discharge Pelvic (between the hips) radiation - discharge
    When you have radiation treatment for cancer, your body goes through some changes. About 2 - 3 weeks after your first radiation treatment, you may have these side effects: Your skin over the treated area may turn red, start to peel, or get dark, or it may itch. Your body hair will fall out, but ONL...