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A 60-year-old man with a long history of cigarette smoking and chronic obstructive pulmonary disease is hospitalized with increasing shortness of breath, increasing sputum production, and low-grade fever over a three-day period. His blood pressure is 100/80 mmHg, pulse is 110 per minute, respiratory rate is 28 per minute, temperature is 38.2°C. The following arterial blood gases were obtained on room air: CaO2 max = 20 ml/dL, CaO2 = 15 %3D ml/dL, PaO2 = 50 mmHg, C(ax) O2 = 4 ml/dL. 1. What is the most appropriate type of hypoxia for this patient? 2. What are the common causes of this type hypoxia? 3. What are the characteristic alterations of blood O2 in this type hypoxia?

A 60-year-old man with a long history of cigarette smoking and chronic obstructive pulmonary disease is hospitalized with increasing shortness of breath, increasing sputum production, and low-grade fever over a three-day period. His blood pressure is 100/80 mmHg, pulse is 110 per minute, respiratory rate is 28 per minute, temperature is 38.2°C. The following arterial blood gases were obtained on room air: CaO2 max = 20 ml/dL, CaO2 = 15 %3D ml/dL, PaO2 = 50 mmHg, C(ax) O2 = 4 ml/dL. 1. What is the most appropriate type of hypoxia for this patient? 2. What are the common causes of this type hypoxia? 3. What are the characteristic alterations of blood O2 in this type hypoxia?

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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A 60-year-old man with a long history of cigarette smoking and chronic obstructive pulmonary disease is hospitalized with increasing shortness of breath, increasing sputum production, and low-grade fever over a three-day period. His blood pressure is 100/80 mmHg, pulse is 110 per minute, respiratory rate is 28 per minute, temperature is 38.2°C. The following arterial blood gases were obtained on room air: CaO2 max = 20 ml/dL, CaO2 = 15 ml/dL, PaO2 = 50 mmHg, C(ax) O2 = 4 ml/dL. 1. What is the most appropriate type of hypoxia for this patient? 2. What are the common causes of this type hypoxia? 3. What are the characteristic alterations of blood O2 in this type hypoxia? 4. What is the colour of skin and mucous membranes in this type hypoxia, and explain the mechanism?
Transcribed Image Text:A 60-year-old man with a long history of cigarette smoking and chronic obstructive pulmonary disease is hospitalized with increasing shortness of breath, increasing sputum production, and low-grade fever over a three-day period. His blood pressure is 100/80 mmHg, pulse is 110 per minute, respiratory rate is 28 per minute, temperature is 38.2°C. The following arterial blood gases were obtained on room air: CaO2 max = 20 ml/dL, CaO2 = 15 ml/dL, PaO2 = 50 mmHg, C(ax) O2 = 4 ml/dL. 1. What is the most appropriate type of hypoxia for this patient? 2. What are the common causes of this type hypoxia? 3. What are the characteristic alterations of blood O2 in this type hypoxia? 4. What is the colour of skin and mucous membranes in this type hypoxia, and explain the mechanism?
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