Respiratory Failure

Question 1

What is respiratory failure

Answer 1

Respiratory failure is a syndrome in which the respiratory system fails in one or both of its gas exchange functions: oxygenation and carbon dioxide elimination

Question 2

Classification

Answer 2

Hypoxemic or Hypercapnic

Question 3

Most common class of respiratory failure

Answer 3

Hypoxemic

Question 4

Characteristics of Hypoxemic respiratory failure

Answer 4

• arterial oxygen tension (PaO2) lower than 60 mm Hg

- normal or low arterial carbon dioxide tension (PaCO2).

Question 5

Hypoxemic respiratory failure seen in

Answer 5

virtually all acute diseases of the lung, which generally involve fluid filling or collapse of alveolar units.

Some examples of type I respiratory failure are cardiogenic or noncardiogenic pulmonary edema, pneumonia, and pulmonary hemorrhage.

Question 6

Characteristics of hypercapnic respiratory failure

Answer 6

• PaCO2 higher than 50 mm Hg.