Criteria for acute respiratory failure (2)

Cause of V/Q mismatch

V/Q mismatch typically leads to _________ without _________.

V/Q mismatch vs. shunt:

Which is responsive to supplemental oxygen

Causes of shunts (3)

Alveolar-arterial oxygen difference (A-a gradient) is normal when __________ is the cause of hypoxemia.

It is increased in most other causes.

Low-flow oxygen delivery systems (2)

Flow rate (L/min) and max FiO2 for low-flow O2-delivery systems

High-flow oxygen delivery systems (3)

Flow rate (L/min) and max FiO2 for high-flow O2-delivery systems