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Abbrev. [1]Meaning [1] Latin (or Neo-Latin) origin [1]; a.c. before meals: ante cibum a.d., ad, AD right ear auris dextra a.m., am, AM morning: ante meridiem: nocte ...
p.r.n., PRN pro re nata: as needed PRN is pertactin, a virulence factor of the bacterium that causes pertussis: pt. perstetur: continue pulv. pulvis: powder p.v., PV per vaginam: vaginally q quaque: every, per q.1 h, q.1° quaque 1 hora: every 1 hour (can replace 1 with other numbers) q4PM at 4:00 pm (can replace 4 with other numbers)
prn as needed from the Latin pro re nata: PT prothrombin time PTT partial thromboplastin time q ... tid 3 times a day tds preferred in some regions TPN
Pharmacy (drug) POM Prescription-only medicine ... Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) ... Prescription tds/tid Three ...
Tablet (pharmacy) TAB Therapeutic abortion. Threatened abortion TAH: total abdominal hysterectomy: TAH-BSO: total abdominal hysterectomy with bilateral salpingo-oophorectomy: TAP: trypsinogen activation peptide TAPVR: total anomalous pulmonary venous return TAT: thematic apperception test TAVI: transcatheter aortic valve implantation: TAVR
PRN - As necessary or as needed / Latin- pro re nata: Existing Q1H - every hour Q2H - every 2 hours Q3H - every 3 hours Q4H - every 4 hours Q6H - every 6 hours Q8H - every 8 hour: Existing under q1h SID - once a day / veterinary abbreviation: Needs verifying common abbreviation QD - once a day / Latin: quaque die: Existing under avoid list
prn PRN: as necessary (from Latin pro re nata) (if used in chronic pain control, sometimes disparagingly termed "pain relief nil") as needed Prog: prognosis PROM: prelabor rupture of membranes partial range of motion [1] PRP: panretinal photocoagulation platelet-rich plasma progressive rubella panencephalitis: PRRE: purine-rich response element PRV
Abbreviation Meaning q: each, every (from Latin quaque) : q15: every 15 minutes q6h q6° once every 6 hours q2wk: once every 2 weeks qAc Before every meal (from Latin quaque ante cibum)