Common medical abbreviations. bid, tid, qd, hs, stat, NGT...

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G
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GC	gonorrhea
GETT	general by endotracheal tube
GFR	glomerular filtration rate
GI	gastrointestinal
gr	grain; 1 grain = 65mg. Therefore Vgr = 325mg
GSW	gun shot wound
gt or gtt	drops
GTT	glucose tolerance test
GU	genitourinary
GXT	graded exercise tolerance (Stress test)
H
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HA	headache
HAA	hepatitis B surface antigen
HAV	hepatitis A virus
HBP	high blood pressure
HCG	human chorionic gonadotropin
HCT	hematocrit
HDL	high density lipoprotein
HEENT	head, eyes, ears, nose, throat
Hgb	hemoglobin
H/H	henderson- hasselbach equation or hemoglobin/ hematocrit
HIV	human immunodeficiency virus
HLA	histocompatibility locus antigen
HJR	hepatojugular reflex
HO	history of
HOB	head of bed
HPF	high power field
HPI	history of present illness
HR	heart rate
HS	at bedtime
HSM	hepatosplenomegaly
HTLV-III	human lymphotropic virus, type III (AIDS agent, HIV)
HSV	herpes simplex virus
HTN	hypertension
Hx	history
I
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I&D	incision and drainage
I&O	intake and output
ICS	intercostal space
ICU	intensive care unit
ID	infectious disease or identification
IDDM	insulin dependent diabetes mellitus
IG	immunoglobulin
IHSS	idiopathic hypertropic subaortic stenosis
IM	intramuscular
IMV	intermittent mandatory ventilation
INF	intravenous nutritional fluid
IPPB	intermittent positive pressure breathing
IRBBB	incomplete right bundle branch block
IRDM	insulin resistant diabetes mellitus
IT	interthecal
ITP	idiopathic thrombocytopenic purpura
IV	intravenous
IVC	intravenous cholangiogram \| inferior vena cava
IVP	intravenous pyelogram

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