| PACO2 | partial pressure of carbon dioxide in alveolar gas |
|---|---|
| PACP | pulmonary alveolar-capillary permeability; pulmonary artery counterpulsation |
| PAH | para-aminohippurate; phenylalanine hydrolase; polycyclic aromatic hydrocarbon; predicted adult heigh... |
| PAHVC | pulmonary alveolar hypoxic vasoconstrictor |
| PAO2 | alveolar oxygen partial pressure |