30
Participants
Start Date
September 29, 2020
Primary Completion Date
June 30, 2022
Study Completion Date
January 30, 2023
Calculation of ventilation-perfusion ratio
"Three to five paired measurements of fraction of inspired oxygen and peripheral oxygen saturations.~Insertion of mainstream capnograph with combined pressure and flow sensor to perform end-tidal capnography measurement.~Echocardiogram to assess intra-cardiac shunting."
King's College Hospital NHS Foundation Trust, London
King's College Hospital NHS Trust
OTHER
King's College London
OTHER