Category: P
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Probable sign of pregnancy
Objective assessment findings that strongly suggest but do not confirm pregnancy.
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Presumptive sign of pregnancy
Signs and symptoms commonly associated with pregnancy that may be present in other conditions.
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Positives sign of pregnancy
Assessment findings present only during pregnancy: fetal heart tones, fetal movements felt by the examiner, and visualization by sonogram.
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Popeye sign
A bulging of the body of the biceps brachii muscle that results from rupture of the muscle’s tendon. It superficially resembles an exaggerated attempt to flex the biceps muscle.
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Pleuroperitoneal shunt
A conduit connecting the pleural space and the peritoneum, used to drain recurring pleural effusions, such as those that accumulate in patients with certain cancers in the chest.
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Physiological shunt
The route by which pulmonary blood perfuses unventilated alveoli. This process is caused by an imbalance between ventilation and perfusion.
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Psychogenic shock
Shock due to emotional stress or to seeing an injury or accident.
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Protein shock
Shock reaction resulting from parenteral administration of a protein.
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Pial sheath
An extension of the pia that closely invests the surface of the optic nerve.
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Periarterial lymphoid sheath
The tissue composed of T lymphocytes that surrounds each arteriole in the spleen. The sheaths are attached to lymphoid follicles containing B cells and make up much of the white pulp.