Results 261 to 270 of about 199,935 (297)
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Comprehensive Physiology, 2016
ABSTRACTA review is presented of the physical principles governing the distribution of blood flow and blood pressure in the vascular system. The main factors involved are the pulsatile driving pressure generated by the heart, the flow characteristics of blood, and the geometric structure and mechanical properties of the vessels.
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ABSTRACTA review is presented of the physical principles governing the distribution of blood flow and blood pressure in the vascular system. The main factors involved are the pulsatile driving pressure generated by the heart, the flow characteristics of blood, and the geometric structure and mechanical properties of the vessels.
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Clinics in Perinatology, 1991
A review of the English literature reveals considerable disagreement regarding the cardiovascular hemodynamics of preeclampsia as measured by both noninvasive and invasive techniques. In the untreated patient, most of the data suggest the presence of low CO, low PCWP, and elevated SVR as compared to normotensive pregnancy.
B M, Sibai, W C, Mabie
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A review of the English literature reveals considerable disagreement regarding the cardiovascular hemodynamics of preeclampsia as measured by both noninvasive and invasive techniques. In the untreated patient, most of the data suggest the presence of low CO, low PCWP, and elevated SVR as compared to normotensive pregnancy.
B M, Sibai, W C, Mabie
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AORN Journal, 1998
ABSTRACTThe vascular system is a complex network transporting blood to and from all parts of the body. It distributes oxygenated and nutrientrich blood to body tissues via arteries, arterioles, metarterioles, and capillaries. Venules and veins carry deoxygenated blood, cellular wastes, and carbon dioxide to the heart and lungs to be oxygenated or ...
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ABSTRACTThe vascular system is a complex network transporting blood to and from all parts of the body. It distributes oxygenated and nutrientrich blood to body tissues via arteries, arterioles, metarterioles, and capillaries. Venules and veins carry deoxygenated blood, cellular wastes, and carbon dioxide to the heart and lungs to be oxygenated or ...
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Hemodynamics and atherosclerosis
Experimental and Molecular Pathology, 1974Atherosclerosis is an ubiquitous disease effecting degenerative, proliferative and atrophic changes in the vessel wall. Preoccupation with intramural lipid accumulation has been at the expense of studies concerning other aspects of atherosclerosis including the complications. The current view of the lipid hypothesis fails to explain the localization or
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Hemodynamic monitoring in liver transplantation ‘the hemodynamic system’
Current Opinion in Organ Transplantation, 2023Purpose of review The purpose of this article is to provide a comprehensive review of hemodynamic monitoring in liver transplantation. Recent findings Radial arterial blood pressure monitoring underestimates the aortic root arterial blood pressure and causes excessive vasopressor ...
Sherif, Kandil, Ashraf, Sedra
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Critical Care Nursing Clinics of North America, 1999
Hemodynamic monitoring is one of the most exciting and potentially useful technologies in critical care. Hemodynamic monitoring, particularly the PAC, is the technology most often associated with the critical care unit. However, it is a difficult technology to master and is associated with clear (although infrequent) serious complications.
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Hemodynamic monitoring is one of the most exciting and potentially useful technologies in critical care. Hemodynamic monitoring, particularly the PAC, is the technology most often associated with the critical care unit. However, it is a difficult technology to master and is associated with clear (although infrequent) serious complications.
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Journal of Perinatal Medicine, 2001
Starting in the left cardiac ventricle the reader is taken on a guided tour on a fetal erythrocyte as measured by Doppler ultrasound. Up in the ascending aorta we move through the aortic isthmus to the descending aorta and the internal umbilical arteries, which fuse around the umbilical cord. With fresh oxygen from the placenta our erythrocyte moves in
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Starting in the left cardiac ventricle the reader is taken on a guided tour on a fetal erythrocyte as measured by Doppler ultrasound. Up in the ascending aorta we move through the aortic isthmus to the descending aorta and the internal umbilical arteries, which fuse around the umbilical cord. With fresh oxygen from the placenta our erythrocyte moves in
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Physiological Reviews, 1960
HE HEMODYNAMICS OF HYPERTENSION have not been a popular subject for review. In 1938 Wiggers (246) summarized primarily the excellent work of his own group on this subject. It is fitting that a fresh attempt be made to correlate the hemodynamic features of hypertension, particularly as it is evidenced in man, with current physioIogica1 concepts. In such
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HE HEMODYNAMICS OF HYPERTENSION have not been a popular subject for review. In 1938 Wiggers (246) summarized primarily the excellent work of his own group on this subject. It is fitting that a fresh attempt be made to correlate the hemodynamic features of hypertension, particularly as it is evidenced in man, with current physioIogica1 concepts. In such
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Hemodynamics rounds: Hemodynamics of mitral valve interventions
Catheterization and Cardiovascular Interventions, 2020AbstractMitral valvulopathy presents as regurgitation, stenosis, or mixed disease and can occur in both native and prosthetic valves. Such disease develops in conjunction with pathophysiologic changes in the left atrium (LA) and drives changes in LA compliance, pressure, and thus clinical syndromes.
James W. Lloyd +2 more
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AACN Advanced Critical Care, 2006
Hemodynamics in sepsis change as sepsis develops. Initial hemodynamics of sepsis often are much different from later stages of sepsis, shifting from low cardiac output states to high cardiac output states. Tissue oxygenation also changes with initial mixed venous oxyhemoglobin (Svo2) or central venous oxyhemoglobin (Scvo2) levels below normal, with ...
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Hemodynamics in sepsis change as sepsis develops. Initial hemodynamics of sepsis often are much different from later stages of sepsis, shifting from low cardiac output states to high cardiac output states. Tissue oxygenation also changes with initial mixed venous oxyhemoglobin (Svo2) or central venous oxyhemoglobin (Scvo2) levels below normal, with ...
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