Medical Dictionary Definitions A-Z List
Medical Dictionary Definitions A - Z - «P»:
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)....
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...
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...
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...
Pecs: Slang for the pectoral
muscles, muscles of the "anterior chest" (the front of the
chest). The Latin "pectus" means "chest." ...
Pectoral muscles: Muscles of the
"anterior chest" (the front of the chest). Familiarly
called the pecs. The Latin "pectus" means "chest."
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
the ipsilateral hand (the hand on the same side). Often
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)....
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....
Pediatric: Pertaining to children....
Pediatric arthritis: See: Arthritis, systemic-onset juvenile rheumatoid....
Pediatric bladder infection
Pediatric bladder infection: See: Urinary tract infection in children....
Pediatric cystitis: Bladder infection in a child. See: Urinary tract infection in children....
Pediatric end stage liver disease
Pediatric end stage liver disease: See: PELD....
Pediatric kidney infection
Pediatric kidney infection: See: Urinary tract infection in children....