From: Capnometry in suspected pulmonary embolism with positive D-dimer in the field
Combinations | PE | No PE |
---|---|---|
PE likely OR PetCO2 < 28 mmHg (suggests PE possible) | 41 | 24 |
PE unlikely AND PetCO2 > 28 mmHg (Rule out PE) | 0 | 35 |
PE likely AND PetCO2 < 28 mmHg (suggests PE possible) | 24 | 4 |
PE unlikely OR PetCO2 > 28 mmHg (Rule out PE) | 17 | 55 |