The Shunt equation quantifies the extent to which venous blood bypasses oxygenation in the capillaries of the lung. “Shunt” and “dead space“ are terms used to describe conditions where either blood flow or ventilation do not interact with each other in the lung, as they should for efficient gas exchange to take place. These terms can also be used to describe areas or effects where blood flow and ventilation are not properly matched, though both may be present to varying degrees. Some references refer to “shunt-effect” or “dead space-effect” to designate the ventilation/perfusion mismatch states that are less extreme than absolute shunt or dead space.
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| - معادلة التحويلة (ar)
- Shunt equation (en)
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| - 1،3-ثنائي كلورو بروبين (بالإنجليزية: 1,3-Dichloropropene)، هو مركب كيميائي صيغته C3H4Cl2، يُستخدم كمبيد للحشرات ويذوب في الماء ويتبخر بسهولة. بسبب ارتفاع معدل تبخرها وتطايرها فمن المؤكد أن جزءً كبيراً من الكميات المستعملة تجد طريقها إلى الجو خلال التبخير وتتفاعل مع الأوزون والهيدروكسيل. ويُباع تحت أسماء تجارية متنوعة. (ar)
- The Shunt equation quantifies the extent to which venous blood bypasses oxygenation in the capillaries of the lung. “Shunt” and “dead space“ are terms used to describe conditions where either blood flow or ventilation do not interact with each other in the lung, as they should for efficient gas exchange to take place. These terms can also be used to describe areas or effects where blood flow and ventilation are not properly matched, though both may be present to varying degrees. Some references refer to “shunt-effect” or “dead space-effect” to designate the ventilation/perfusion mismatch states that are less extreme than absolute shunt or dead space. (en)
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| - 1،3-ثنائي كلورو بروبين (بالإنجليزية: 1,3-Dichloropropene)، هو مركب كيميائي صيغته C3H4Cl2، يُستخدم كمبيد للحشرات ويذوب في الماء ويتبخر بسهولة. بسبب ارتفاع معدل تبخرها وتطايرها فمن المؤكد أن جزءً كبيراً من الكميات المستعملة تجد طريقها إلى الجو خلال التبخير وتتفاعل مع الأوزون والهيدروكسيل. ويُباع تحت أسماء تجارية متنوعة. (ar)
- The Shunt equation quantifies the extent to which venous blood bypasses oxygenation in the capillaries of the lung. “Shunt” and “dead space“ are terms used to describe conditions where either blood flow or ventilation do not interact with each other in the lung, as they should for efficient gas exchange to take place. These terms can also be used to describe areas or effects where blood flow and ventilation are not properly matched, though both may be present to varying degrees. Some references refer to “shunt-effect” or “dead space-effect” to designate the ventilation/perfusion mismatch states that are less extreme than absolute shunt or dead space. The following equation relates the percentage of blood flow that is not exposed to inhaled gas, called the shunt fraction , to the content of oxygen in venous, arterial, and pulmonary capillary blood. Where:Qs = Pulmonary Physiologic Shunt (mL/min)Qt = Cardiac Output (mL/min)CCO2 = End-pulmonary-capillary Oxygen ContentCaO2 = Arterial oxygen contentCVO2 = Mixed Venous Oxygen Content (en)
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