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Cardiac catheterization (frequently shortened to "cath") is a minimally invasive procedure in which a thin guide wire is inserted into the heart through the femoral vein. There are a variety of procedures that can be accomplished with this method, including imaging, minor repairs, and even replacement of valves (very recent, still in trials). One common use of the cardiac cath is to measure various parameters in the cardiovascular system, such as [O₂], CO, and pressures in the various chambers and vessels surrounding the heart. The next two questions refer to data collected during such a procedure. Note: you do not need to consider the [Hb]; both patients have adequate hemoglobin. While we didn't specifically discuss what oxygen concentrations in the blood are "normal", you should be able to use your knowledge of the circulatory system to intuit what seems reasonable. 5. Patient #1 is completely healthy and catheterization generated these results: HR (bpm) 76 V02 (ml O₂/min) 219 [Hb] (g/dl blood) 13.6 [02]vena cave a cava (ml O₂/dl blood) 13.1 [02]pulmart (ml O2/dl blood) 13.1 [02]pumivein (ml O₂/dl blood) 17.4 [02]aorta (ml O2/dl blood) 17.4 a. Calculate the CO for the left and right ventricles using the method described in the previous problem b. What would occur if these two COs were not the same? (2 points) (2 points) c. Calculate SV. (2 points) d. Compare the patient's oxygen concentrations on each side of the heart and rationalize using what you know about the two loops of circulation. (4 points)

Cardiac catheterization (frequently shortened to "cath") is a minimally invasive procedure in which a thin guide wire is inserted into the heart through the femoral vein. There are a variety of procedures that can be accomplished with this method, including imaging, minor repairs, and even replacement of valves (very recent, still in trials). One common use of the cardiac cath is to measure various parameters in the cardiovascular system, such as [O₂], CO, and pressures in the various chambers and vessels surrounding the heart. The next two questions refer to data collected during such a procedure. Note: you do not need to consider the [Hb]; both patients have adequate hemoglobin. While we didn't specifically discuss what oxygen concentrations in the blood are "normal", you should be able to use your knowledge of the circulatory system to intuit what seems reasonable. 5. Patient #1 is completely healthy and catheterization generated these results: HR (bpm) 76 V02 (ml O₂/min) 219 [Hb] (g/dl blood) 13.6 [02]vena cave a cava (ml O₂/dl blood) 13.1 [02]pulmart (ml O2/dl blood) 13.1 [02]pumivein (ml O₂/dl blood) 17.4 [02]aorta (ml O2/dl blood) 17.4 a. Calculate the CO for the left and right ventricles using the method described in the previous problem b. What would occur if these two COs were not the same? (2 points) (2 points) c. Calculate SV. (2 points) d. Compare the patient's oxygen concentrations on each side of the heart and rationalize using what you know about the two loops of circulation. (4 points)

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Cardiac catheterization (frequently shortened to "cath") is a minimally invasive procedure in which a thin guide wire is inserted into the heart through the femoral vein. There are a variety of procedures that can be accomplished with this method, including imaging, minor repairs, and even replacement of valves (very recent, still in trials). One common use of the cardiac cath is to measure various parameters in the cardiovascular system, such as [O₂], CO, and pressures in the various chambers and vessels surrounding the heart. The next two questions refer to data collected during such a procedure. Note: you do not need to consider the [Hb]; both patients have adequate hemoglobin. While we didn't specifically discuss what oxygen concentrations in the blood are "normal", you should be able to use your knowledge of the circulatory system to intuit what seems reasonable. 5. Patient #1 is completely healthy and catheterization generated these results: HR (bpm) 76 V02 (ml O₂/min) 219 [Hb] (g/dl blood) 13.6 [02]vena cave a cava (ml O₂/dl blood) 13.1 [02]pulmart (ml O2/dl blood) 13.1 [02]pumivein (ml O₂/dl blood) 17.4 [02]aorta (ml O2/dl blood) 17.4 a. Calculate the CO for the left and right ventricles using the method described in the previous problem b. What would occur if these two COs were not the same? (2 points) (2 points) c. Calculate SV. (2 points) d. Compare the patient's oxygen concentrations on each side of the heart and rationalize using what you know about the two loops of circulation. (4 points)
Transcribed Image Text:Cardiac catheterization (frequently shortened to "cath") is a minimally invasive procedure in which a thin guide wire is inserted into the heart through the femoral vein. There are a variety of procedures that can be accomplished with this method, including imaging, minor repairs, and even replacement of valves (very recent, still in trials). One common use of the cardiac cath is to measure various parameters in the cardiovascular system, such as [O₂], CO, and pressures in the various chambers and vessels surrounding the heart. The next two questions refer to data collected during such a procedure. Note: you do not need to consider the [Hb]; both patients have adequate hemoglobin. While we didn't specifically discuss what oxygen concentrations in the blood are "normal", you should be able to use your knowledge of the circulatory system to intuit what seems reasonable. 5. Patient #1 is completely healthy and catheterization generated these results: HR (bpm) 76 V02 (ml O₂/min) 219 [Hb] (g/dl blood) 13.6 [02]vena cave a cava (ml O₂/dl blood) 13.1 [02]pulmart (ml O2/dl blood) 13.1 [02]pumivein (ml O₂/dl blood) 17.4 [02]aorta (ml O2/dl blood) 17.4 a. Calculate the CO for the left and right ventricles using the method described in the previous problem b. What would occur if these two COs were not the same? (2 points) (2 points) c. Calculate SV. (2 points) d. Compare the patient's oxygen concentrations on each side of the heart and rationalize using what you know about the two loops of circulation. (4 points)
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