[028] Respiratory Failue

Question 1

What is respiratory failure

Answer 1

PaO2 <8kPa

Question 2

What is hypoxaemia

Answer 2

Low level of O2 in arterial blood

Question 3

Type I respiratory failure

Answer 3

PaO2 < 8 kPa (60mmHg)

Normal PaCO2 < 6 kPa

Question 4

Type 2 respiratory failure

Answer 4

PaO2 < 8 kPa

High PaCO2 >6 kPa

Question 5

What is hypoxia

Answer 5

Refers to a deficiency of oxygen reaching tissues
Or conditions when FiO2 is low

! Patients do not have ‘hypoxia’ or get ‘hypoxic’

Question 6

What is a pulmonary embolism

Where does it usually propagate from

Answer 6

Essentially a blood clot causing clinically/ physiologically significant obstruction in pulmonary vascular tree

Having propagated (via right heart) from venous circulation where it was formed;
Typically the deep veins of the leg ( deep vein thrombosis)