A combination of Bohr and Haldane effects provide a physiologic explanation for the increase in arterial oxygen saturation when a face mask is added to a high-flow nasal cannula in severely hypoxemic COVID-19 patients

• Pablo Born,
• Ricardo Castro

Affiliations

Pablo Born

Departamento de Medicina Intensiva, Unidad de Paciente Crítico – Hospital Clínico UC-CHRISTUS, Pontificia Universidad Católica de Chile

Ricardo Castro

Departamento de Medicina Intensiva, Unidad de Paciente Crítico – Hospital Clínico UC-CHRISTUS, Pontificia Universidad Católica de Chile