Negative Pressure Ventilation... 🤔

➡️ Negative Pressure Ventilation
This older, less common technique involves enclosing the patient’s body in an airtight chamber and reducing the pressure around the chest to create a vacuum that leads to inhalation.

➡️ FULL VIDEO: https://youtu.be/4HHPCDULpYg?si=vPKupCrHx4QnKnsF

➡️ Types
-- Iron Lung: Covers the whole body except the head, historically used during polio epidemics.
-- Chest Cuirass: Covers only the chest and abdomen, easier to use but requires a tight seal.