Category: P

  • Perfusion deficit

    Inadequate blood flow to tissue due to narrowing or occlusion.  

  • Percutaneous lithoscopy

    Endoscope is inserted in a percutaneous approach into the kidney to remove a stone embedded in the renal pelvis or adjacent structures.  

  • Percutaneous endoscopic gastrostomy

    Insertion of a permanent feeding tube through the abdominal wall using visual guidance from an endoscope passed through the mouth into the stomach. A feeding ostomy. PEG tubes are inserted transorally into the stomach with the aid of an endoscope and then pulled through a stab wound made in the abdominal wall. A PEG is…

  • Pellagraphia

    Repetition of phrases and words in writing, indicative of brain or psychiatric pathology.    

  • Pedunculated polyp

    A fleshy abnormal growth in the intestine or other tissues characterized by a thin stalk supporting a ball-shaped, irregular top.  

  • Pectoralis minor muscle

    Muscle that moves the scapula against the thorax.  

  • Pectoralis major muscle

    The large, triangular muscle of the chest that flexes the chest and internally rotates the humerus when contracted.  

  • Peak expiratory flow

    A measurement of the volume of air after forced expiration.  

  • Patient-controlled analgesia

    A method for administering an intravenous narcotic agent, such as morphine, using a computerized pump that permits the patient to self-administer doses of medication within preset parameters. Pain relief controlled by the patient, usually provided following a surgical procedure. The process involves an intravenous infusion containing a predetermined amount of a pain drug, which the…

  • Pathologic fracture

    Displacement of a bone caused by a disease process such as osteoporosis, bone cancer, or metastases.