The Pressure-Volume Relationship of the Normal Pulmonary Capillary Bed*
نویسندگان
چکیده
منابع مشابه
The Pressure-volume Relationship of the Normal Pulmonary Capillary Bed.
In isolated lung preparations (1, 2) and in normal subjects (3, 4), acute pulmonary vascular congestion increases breath-holding diffusing capacity for carbon monoxide (DLco) by increasing the instantaneous volume of blood available for CO absorption (Vc). Conversely, in normal men, procedures that decrease pulmonary vascular pressure decrease DLco (4, 5); yet, the pulmonary capillary bed of th...
متن کاملThe Diffusing Characteristics and Pressure-volume Relationships of the Pulmonary Capillary Bed in Mitral Valve Disease.
In 1957, Forster, Roughton, and their associates reported a method of estimating pulmonary capillary blood volume (Vc) and diffusing capacity of the alveolar-capillary membrane (DM) by measuring the diffusing capacity of the lung for carbon monoxide (DL) at varying levels of alveolar oxygen tension (1, 2).1 Since then there hlave been a number of reports on the behavior of membrane diffusion an...
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on the relationship between the knowledge of collocations and writing proficiency
بررسی رابطه دانش همنشینی لغات و مهارت نوشتاری در زبان انگلیسی چکیده این پژوهش درصدد آن است تا سه مسئله زیر را مورد بررسی قرار دهد: الف) وجود یا عدم وجود رابطه بین دانش زبان آموزان در حوزه همنشینی لغات با یکدیگر و دانش آنها در مهارت نوشتاری زبان انگلیسی؛ ب) یافتن پاسخی به این سوال که آیا تمامی انواع همنشینی های لغوی زبان انگلیسی به یک میزان برای زبان آموزان دشوارند یا خیر؛ پ) مقایسه زبان آمو...
15 صفحه اولThe pulmonary capillary bed in various forms of pulmonary hypertension.
IN A PREVIOUS STUDY of the pulmonary capillary bed in mitral valve disease,' the mean value for pulmonary diffusing capacity for carbon monoxide (DL) was found to be significantly lower than normal, in agreement with several other reports.2 7 This was due mainly to impairment of the membrane diffusing capacity (DM). Reduction in pulmonary capillary blood volume (V,) was found only in patients w...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1965
ISSN: 0021-9738
DOI: 10.1172/jci105232