| pulmonary infarction |
localized necrosis of lung tissue caused by obstruction of the arterial blood supply, most often due to pulmonary embolism. Clinical manifestations range from the subclinical to pleuritic chest pain, dyspnea, hemoptysis, and tachycardia.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| pulmonary infiltration with eosinophilia |
infiltration of the pulmonary parenchyma by eosinophils; see PIE syndrome, under syndrome.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| pulmonary sequestration |
loss of connection of lung tissue, and sometimes bronchi, with the bronchial tree and with the pulmonary veins, the tissue receiving its arterial supply from the systemic circulation. The mass may be completely separated anatomically and physiologically from normally connected lung (extralobar pulmonary s.) or be in anatomical contiguity with and partly surrounded by normal lung (intralobar pulmonary s.). Called also accessory lung and bronchopulmonary s.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| pulse height analyzer |
an electronic circuit designed to respond to voltage pulses only within a certain range, or window, of amplitudes.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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| pull-through operation |
surgery on the intestine in which a diseased segment is removed and a proximal segment is pulled down and through the part just beyond the removed part. See ileoanal pull-through anastomosis, Duhamel o., Soave o., and Swenson's o.
Ãâó: www.mercksource.com/pp/us/cns/cns_hl_dorlands.jspz...
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