| PASA | Para-Amino-Salicyclic Acid = PAS |
|---|---|
| PASA | para-aminosalicylic acid; primary acquired sideroblastic anemia; proximal articular set angle |
| PASARR | pre-admission screening and resident review |
| PASAT | Paced Auditory Serial Addition Task |
| PASD | after diastase digestion |
| PASG | pneumatic antishock garment |
| PASH | periodic acid-Schiff hematoxylin |
| PASM | periodic acid-silver methenamine |
| PASP | pancreas-specific protein; pulmonary artery systolic pressure |
| pass | passive |