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- Total_peripheral_flow_resistance abstract "Total peripheral resistance (TPR) is the sum of the resistance of all peripheral vasculature in the systemic circulation. Vasculature throughout the entire body is two separate circuits - the systemic circulation and the pulmonary circulation. TPR should not be confused with Pulmonary Vascular Resistance (PVR), which is the resistance in the pulmonary circulation.Change in pressure that occurs in the aorta and large arteries is very little. About 70% of pressure drop occurs in small arteries and arterioles. Thus, small arteries and arterioles are the main regulators of Total peripheral resistance.The significance of smooth muscle in the control TPR is major. While contracting and relaxing, the smooth muscles that line the walls of vessels alter the radius therefore influencing flow of blood through them. The role of each factor in Poiseuille’s law:R = 8Lη/Πr^4Blood viscosity, vessel length and radius influence on resistance. Increase in viscosity, oxygen-carrying capacity supply by the greater number of red blood cells is offset by the increase in resistance to flow. The correct balance between enough red blood cells for oxygen carriage and negative effect of additional red blood cells on the resistance to blood flow. Length of vessels does not change significantly therefore does not determine the resistance. Vessel radius is major factor in determining the changes in TPR. Small changes in radius cause large changes in resistance because resistance is proportional to r^4.".
- Total_peripheral_flow_resistance wikiPageID "31439325".
- Total_peripheral_flow_resistance wikiPageRevisionID "542087117".
- Total_peripheral_flow_resistance hasPhotoCollection Total_peripheral_flow_resistance.
- Total_peripheral_flow_resistance subject Category:Angiology.
- Total_peripheral_flow_resistance comment "Total peripheral resistance (TPR) is the sum of the resistance of all peripheral vasculature in the systemic circulation. Vasculature throughout the entire body is two separate circuits - the systemic circulation and the pulmonary circulation. TPR should not be confused with Pulmonary Vascular Resistance (PVR), which is the resistance in the pulmonary circulation.Change in pressure that occurs in the aorta and large arteries is very little.".
- Total_peripheral_flow_resistance label "Total peripheral flow resistance".
- Total_peripheral_flow_resistance sameAs m.0gkzjfw.
- Total_peripheral_flow_resistance sameAs Q7828130.
- Total_peripheral_flow_resistance sameAs Q7828130.
- Total_peripheral_flow_resistance wasDerivedFrom Total_peripheral_flow_resistance?oldid=542087117.
- Total_peripheral_flow_resistance isPrimaryTopicOf Total_peripheral_flow_resistance.