Syllabus · Current · V5 (2025) · Respiratory System
C7 · Gas Transport and Diffusion
C7.vi · Diffusion- vs Perfusion-Limited Transfer
Explain perfusion-limited and diffusion-limited transfer of gases and the consequences of each.
Written examination
SAQ history
Pulmonary Gas Diffusion
3 exam appearances
Outline the physiological factors that affect the diffusion of oxygen and carbon dioxide within the lung.
43%
Oral examination
VIVA history
No mapped VIVA history for this objective.
Sources: objective text from the relevant CICM syllabus; historical SAQ and VIVA wording from CICM examiner reports.