| PIA | photoelectric intravenous angiography; plasma insulin activity; preinfarction angina; Psychiatric In... |
|---|---|
| PIVH | peripheral intravenous hyperalimentation; periventricular-intraventricular hemorrhage |
| RSIVP | rapid-sequence intravenous pyelography |
| SCIV | subcutaneous intravenous |
| TIVA | total intravenous anesthesia |