Lecture _ 7 Respiratory Disease Fall 2007

Lecture _ 7 Respiratory Disease Fall 2007 - Lecture 7...

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Unformatted text preview: Lecture # 7 Respiratory Disease 1. Review 2. Obstructive Diseases 3. Restrictive Diseases Respiratory Disease Review – Control of Ventilation Sensors - Central Chemoreceptors Sensors - Peripheral Chemoreceptors 1. Review 2. Obstructive Diseases 3. Restrictive Diseases Respiratory Disease Mechanism of obstruction Respiratory Diseases - Obstructive Chronic obstructive lung disease (COPD) is associated with an increase in airflow resistance 1. Emphysema 2. Chronic Bronchitis 3. Asthma Respiratory Diseases - Obstructive Emphysema - Enlargement of airspace with destruction to their walls Pathology- Tissue destruction with loss of capillaries- Loss of elastin (decrease elastic recoil of lung, increase compliance)- Decrease in small airways- Structural changes can be seen with naked eye Pathogenesis- Excessive amounts of enzymes released that destroy elastin - Smoking makes it worse Respiratory Diseases – Emphysema Respiratory Diseases - Emphysema Respiratory Diseases - Obstructive Chronic Bronchitis- Excessive mucus production in the bronchiole tree sufficient to cause excessive...
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This note was uploaded on 01/10/2010 for the course PGY 300 taught by Professor Krasney during the Fall '05 term at SUNY Buffalo.

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Lecture _ 7 Respiratory Disease Fall 2007 - Lecture 7...

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