The Normal Pulmonary Circulation
Behavior of Normal Pulmonary Circulation during Changes of Total Blood Volume in Man
... During the infusion of polyvinylpyrrolidone, significant increases were observed in cardiac out- put, stroke volume, right and left ventricular stroke work, pulmonary arterial and venous[r] ...
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STUDIES OF THE PULMONARY CIRCULATION I THE CIRCULATION TIME FROM THE PULMONARY ARTERY TO THE FEMORAL ARTERY AND THE QUANTITY OF BLOOD IN THE LUNGS IN NORMAL INDIVIDUALS
... circulation time (from a peripheral vein to the femoral artery) and the cardiac output, the volume of blood between the points of introduction and removal of dye was calculated from Stew[r] ...
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THE EFFECT OF ACETYLCHOLINE ON THE HUMAN PULMONARY CIRCULATION UNDER NORMAL AND HYPOXIC CONDITIONS
... The fall in pressure was not associated with a fall in cardiac output, and there was no change in the pulmonary wedge pressure, heart rate, systemic blood pressure, or central blood volu[r] ...
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STUDIES OF THE PULMONARY CIRCULATION IN MAN AT REST NORMAL VARIATIONS AND THE INTERRELATIONS BETWEEN INCREASED PULMONARY BLOOD FLOW, ELEVATED PULMONARY ARTERIAL PRESSURE, AND HIGH PULMONARY “CAPILLARY” PRESSURES
... Pulmonary hemodynamics have been studied in normal individuals at rest and the response of the pulmonary vasculature to large pulmonary blood flows, high pulmonary arterial pressures, an[r] ...
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The right ventricle: interaction with the pulmonary circulation
... monary circulation. Although the absolute compliance of the pulmonary circulation is one-seventh that of the systemic circulation, it stores much less blood and has the ability to collapse ...
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TRANSCAPILLARY MIGRATION OF HEAVY WATER AND THIOCYANATE ION IN THE PULMONARY CIRCULATION OF NORMAL SUBJECTS AND PATIENTS WITH CONGESTIVE HEART FAILURE
... Seven normal subjects and seven patients with pulmonary congestion due to heart failure were studied.. The resulting data relating to the pul- monary capillaries were then compared to th[r] ...
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The Effect of Granulomatous Pulmonary Disease in Dogs on the Response of the Pulmonary Circulation to Hypoxia
... of pulmonary blood flow between the test and control set of vessels during 21 and 12% oxygen ...In normal dogs, hypoxia did not shift blood flow systematically from one lung to the ...
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STUDIES OF PULMONARY HYPERTENSION IX THE EFFECTS OF INTRAVENOUS HEXAMETHONIUM ON PULMONARY CIRCULATION IN PATIENTS WITH MITRAL STENOSIS
... During the past five years, circulatory effects of intravenous hexamethonium have been studied in normal subjects and in patients with various car- diac diseases (1-10). With adequate do[r] ...
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Failure of postnatal adaptation of the pulmonary circulation after chronic intrauterine pulmonary hypertension in fetal lambs
... intrauterine pulmonary hypertension on the perinatal pulmonary circulation, we induced chronic elevations of pulmonary artery pressure in 24 late-gestation fetal lambs by maintaining partial ...
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Right ventricle-pulmonary circulation dysfunction: a review of energy-based approach
... With rapid development of magnetic resonance imaging (MRI) technology including both pulse sequences and MR hardware, cardiac MRI has been employed as a gold stan- dard to diagnose RV-PA vasculature status in CHD ...
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Absorption of inhaled antigen into the circulation of isolated lungs from normal and immunized rabbits
... the pulmonary air-blood barrier of the isolated perfused lung can be modulated by immunologic ...the normal rabbit lung could provide a significant route of entry for inhaled antigen into the systemic ...
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The pulmonary circulation of homozygous or heterozygous eNOS null mice is hyperresponsive to mild hypoxia
... had normal fertility and pro- duced offspring that were obligate ...in pulmonary vascular sensitivity to hypoxia, in ...the pulmonary circulation to mild ...
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Physiologic characterization of endothelin A and B receptor activity in the ovine fetal pulmonary circulation
... To determine the potential contribution of endothelin (ET) to modulation of high pulmonary vascular resistance in the normal fetus, we studied the effects of BQ 123, a selective ET-A rec[r] ...
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Differential reactivity in the pulmonary circulation
... to pulmonary arterial, capillary, and venous pressure and volume was used to evaluate local differences of reactivity in the pulmonary blood vessels in the isolated lung lobe of the ...of pulmonary ...
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The Acute Effects of Atelectasis on the Pulmonary Circulation
... This venous admixture, greater than predicted from the percentage of lung tissue collapsed while breathing room air or 100% oxygen, could have resulted from a) atelectasis in the depende[r] ...
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THE EFFECT OF CARBON DIOXIDE ON THE PULMONARY CIRCULATION
... Simultaneous changes of either carbon dioxide or oxygen tension in the pulmonary artery and in the pulmonary vein of the isolated lobe had no effect on local hemodynamics. On the other h[r] ...
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THE EFFECT OF EPINEPHRINE ON THE PULMONARY CIRCULATION IN MAN
... pulmonary blood volume index, there was very little or no increase in cardiac output and in stroke volume, although a fall in peripheral resistance and circulation time, and an increase [r] ...
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THE HEART AND PULMONARY CIRCULATION IN CHILDREN AT HIGH ALTITUDES
... nary arterial tree explain well the increased pulmonary vascular resistance and the pul- monary hypertension at high altitudesJ. Ar- teriolar vasoconstriction is not an important factor [r] ...
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Estimated rate of thromboxane secretion into the circulation of normal humans
... chromatography/mass spectrometry. Aspirin treatment suppressed urinary 2,3-dinor-TxB2 excretion by 80%. The fractional elimination of 2,3-dinor-TxB2 was independent of the rate of TxB2 infusion and averaged 5.3 +/- 0.8%. ...
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Estimated rate of prostacyclin secretion into the circulation of normal man
... the circulation of normal man was estimated by measurement of the 2,3-dinor-6-keto-PGF1 alpha (D) and 15-keto-13,14-dihydro-2,3- dinor-6-keto-PGF1 alpha (KDD) urinary metabolites of ...
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