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TOTAL PULMONARY VENTILATION

TOTAL PULMONARY VENTILATION. Total pulmonary ventilation or Minute respiratory volume = Ventilation rate x Total volume =12 breaths/ mt x 500 ml/ breath =6000 ml / mt. Dead Spaces. Anatomic dead Space + Physiological dead space Alveolar dead space. }.

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TOTAL PULMONARY VENTILATION

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  1. TOTAL PULMONARY VENTILATION Total pulmonary ventilation or Minute respiratory volume = Ventilation rate x Total volume =12 breaths/ mt x 500 ml/ breath =6000 ml / mt

  2. Dead Spaces Anatomic dead Space + Physiological dead space Alveolar dead space }

  3. Rate of Alveolar Ventilation =Ventilation rate x ( Tidal volume – dead space volume) = 12 x 500 – 150 = 12 x 350 = 4200 ml / mt

  4. Respiratory Unit

  5. Respiratory membrane

  6. Physics of Diffusion • D  P x A x S d x MW

  7. Gas Exchange at alveoli & Cell

  8. Partial pressure of gases in air at various respiratory levels

  9. Partial pressure of O2 (Po2) at various sites.

  10. Partial pressure of CO2 (PCo2) at various sites.

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