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. Author manuscript; available in PMC: 2020 Jul 3.
Published in final edited form as: J Thorac Cardiovasc Surg. 2018 Aug 18;156(6):2355–2365. doi: 10.1016/j.jtcvs.2018.08.010

Table 1:

International Society for Heart and Lung Transplantation Grading of Primary Graft Dysfunction

Grade PaO2/FiO2 Infiltrates
0 >300 Absent
1 >300 Present
2 200–300 Present
3 <200 Present

PaO2 – partial pressure of oxygen in arterial blood

FiO2 – fraction of inspired oxygen