Lectures on Respiratory Physiology: Mechanics of Breathing and Perfect Lung Action

Lectures on Respiratory Physiology: Mechanics of Breathing and Perfect Lung Action
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Learn about the mechanics of breathing and the ideal lung function in these lectures on respiratory physiology. Understand how the respiratory system works for optimal oxygenation and carbon dioxide removal.

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1. Lectures on respiratory physiology Lectures on respiratory physiology Mechanics Mechanics of of Breathing Breathing I I

2. Perfect Lung Action of the diaphragm

3. Perfect Lung Action of the intercostal muscles

4. Perfect Lung Action of the abdominal muscles

5. Perfect Lung Action of the intercostal muscles

6. Perfect Lung Pressure-volume curve of the lung

7. 3000 2000 1000 FRC 0 -10 -20 -30 Intrapleural pressure (cmH 2 O) Volume above FRC (ml) COMPLIANCE = V / P =1000/5 = 200 ml/cmH 2 O V P Compliance of lung

8. Perfect Lung Capillary showing collagen (Col)

9. Perfect Lung Fibers of elastin

10. Perfect Lung Some effects of surface tension

11. Perfect Lung Comparison of air and saline inflation

12. Perfect Lung Measurement of surface tension and its behavior

13. Perfect Lung Comparison of air and saline inflation

14. Type II alveolar epithelial cell

15. Type II cell showing lamellar inclusion bodies (LIB)

16. Lung with absence of surfactant

17. Regional differences of ventilation at FRC

18. Regional differences of ventilation at RV

19. Alveoli are larger at the apex (upper panel) than base (lower)

20. Airway closure at the lung base

21. Pressure changes with bilateral pneumothorax

22. Pneumothorax of right lung

23. Fibrosis of right lung

24. Relaxation pressure-volume curves

25. Perfect Lung Pressure-volume curve of the lung

26. Relaxation pressure-volume curves