Category: P
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Perfusion deficit
Inadequate blood flow to tissue due to narrowing or occlusion.
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Percutaneous lithoscopy
Endoscope is inserted in a percutaneous approach into the kidney to remove a stone embedded in the renal pelvis or adjacent structures.
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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…
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Pellagraphia
Repetition of phrases and words in writing, indicative of brain or psychiatric pathology.
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Pedunculated polyp
A fleshy abnormal growth in the intestine or other tissues characterized by a thin stalk supporting a ball-shaped, irregular top.
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Pectoralis minor muscle
Muscle that moves the scapula against the thorax.
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Pectoralis major muscle
The large, triangular muscle of the chest that flexes the chest and internally rotates the humerus when contracted.
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Peak expiratory flow
A measurement of the volume of air after forced expiration.
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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…
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Pathologic fracture
Displacement of a bone caused by a disease process such as osteoporosis, bone cancer, or metastases.