Combined pressure-volume curves for the lung and chest wall

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Combined pressure-volume curves for the lung and chest wall

Respiratory system

Airflow and gas exchange

Airflow, pressure, and resistance
Alveolar gas equation
Boyle's law
Breathing cycle and regulation
Dalton's law
Diffusion-limited and perfusion-limited gas exchange
Fick's laws of diffusion
Gas exchange in the lungs, blood and tissues
Graham's law
Henry's law
Ideal (general) gas law

Anatomy and physiology

Reading a chest X-ray
Respiratory system anatomy and physiology

Breathing mechanics

Alveolar surface tension and surfactant
Combined pressure-volume curves for the lung and chest wall
Compliance of lungs and chest wall

Gas transport

Carbon dioxide transport in blood
Oxygen binding capacity and oxygen content
Oxygen-hemoglobin dissociation curve

Lung volumes and capacities

Anatomic and physiologic dead space
Lung volumes and capacities

Physiologic adaptations of the respiratory system

Pulmonary changes at high altitude and altitude sickness
Pulmonary changes during exercise

Regulation of breathing

Breathing control
Pulmonary chemoreceptors and mechanoreceptors

Ventilation and perfusion

Pulmonary shunts
Regulation of pulmonary blood flow
Ventilation
Ventilation-perfusion ratios and V/Q mismatch
Zones of pulmonary blood flow

Key Takeaways

The pressure-volume (P-V) curves for the lung and chest wall help to study their mechanical behaviors during respiration, as the chest inflates and deflates. These P-V curves are obtained when a patient breathes in and out of a spirometer.