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Medical Dictionary Definitions A-Z List

Medical Dictionary Definitions A - Z - «P»:

  1. Peak expiratory flow Peak expiratory flow
    Peak expiratory flow: Abbreviated PEF. The maximum airflow during a forced expiration beginning with the lungs fully inflated. The PEF is reduced in proportion to the severity of the airway obstruction, as in asthma and COPD (chronic obstructive pulmonary disease)....
  2. Peak-flow meter Peak-flow meter
    Peak-flow meter: This hand-held device measures air flow (how fast air is blown out of the lungs). Patients can use peak-flow meters to measure their own air flow regularly. The use of a peak-flow meter allows patients to obtain a much earlier indication of an oncoming attack, for example, of exer...
  3. Peanut allergy Peanut allergy
    Peanut allergy: An allergic reaction to peanuts, the leading cause of anaphylaxis, the most severe and potentially life threatening allergic reaction, and the leading cause of death from food allergy in the US and other Western nations. The prevalence of peanut allergy is increasing. This increase m...
  4. Peccant Peccant
    Peccant: Unhealthy. Causing illness or disease. Peccant is one of those rarely used but apt words. The behaviors -- overeating, underexercising, an unhealthy diet -- that underlie so much disease today are peccant behaviors. "...the subtile parts of the tobacco in inspiration are carried into t...
  5. Pecs Pecs
    Pecs: Slang for the pectoral muscles, muscles of the "anterior chest" (the front of the chest). The Latin "pectus" means "chest." ...
  6. Pectoral muscles Pectoral muscles
    Pectoral muscles: Muscles of the "anterior chest" (the front of the chest). Familiarly called the pecs. The Latin "pectus" means "chest." ...
  7. Pectoralis muscle absence with syndactyly Pectoralis muscle absence with syndactyly
    Pectoralis muscle absence with syndactyly: A unique pattern of one-sided malformations characterized by a defect of the chest (pectoralis) muscle on one side of the body and webbing of the fingers (cutaneous syndactyly) of the ipsilateral hand (the hand on the same side). Often called Poland syn...
  8. Pectus carinatum Pectus carinatum
    Pectus carinatum: Pigeon-breasted. In Latin "pectus" means "chest" and "carina" keel = a chest shaped like the keel of a boat (looking at the keel from outside the boat)....
  9. Pectus excavatum Pectus excavatum
    Pectus excavatum: Caved-in or funnel chest. The Latin "pectus" means "chest." The chest is excavated. It looks as if it has been dug out, hollowed out....
  10. Pediatric Pediatric
    Pediatric: Pertaining to children....
  11. Pediatric arthritis Pediatric arthritis
    Pediatric arthritis: See: Arthritis, systemic-onset juvenile rheumatoid....
  12. Pediatric bladder infection Pediatric bladder infection
    Pediatric bladder infection: See: Urinary tract infection in children....
  13. Pediatric cystitis Pediatric cystitis
    Pediatric cystitis: Bladder infection in a child. See: Urinary tract infection in children....
  14. Pediatric end stage liver disease Pediatric end stage liver disease
    Pediatric end stage liver disease: See: PELD....
  15. Pediatric kidney infection Pediatric kidney infection
    Pediatric kidney infection: See: Urinary tract infection in children....