Neurosurgical Abbreviations
- H -

H          Haemophilus

H          hour

H₂O      water

H₂O₂    hydrogen peroxide

HA       hydroxyapatite

H/A      headache

HAA    hepatitis associated antigen

HAV    hepatitis A virus

HBB     hand behind back

HBcAg hepatitis B core antigen

HBeAg hepatitis B "e" antigen

HBH     hand behind head

HBIG    hepatitis B immune globulin

HBO     hyperbaric oxygen

HBsAg hepatitis B surface antiqen

HBV     hepatitis B virus

Hct       hematocrit

HCD     herniated cervical disc

HCFA   Health Care Finance Agency (now CMS)

hCG     human chorionic gonadotropin (also beta-hCG)

HCl       hydrochloric acid

HCO₃   bicarbonate

HCP     hydrocephalus

hct.      hematocrit

HCT     hydrocortisone

HCTZ   hydrochlorothiazide

HCVD  hypertensive cardiovascular disease

HD       herniated disc

HEENT head

Hem     hemoglobin

hep. lock  heparin lock

H.E.W. Health Education and Welfare

Hg        hemoglobin

HGB     hemoglobin

hGH     human growth hormone

H&H     hemoglobin and hematocrit

HHA     home health aid

HHC     home health care

HHN     hand heald nebulizer

HHS     Health & Human Services

HIPAA  Health Insurance Portability and Accountability Act

HIV      human immunodeficiency virus

HIZ       high intensity zone

HJ        hepatojugular (reflux)

HLA     human lymphocyte antigen

HLD     herniated lumbar disc

H.M.O. health maintenance organization

herniated nucleus pulposa

HO       heterotopic ossification

H.O.     house officer (resident physician)

HOB     head of bed

H&P     history and physical

hpf       high power field (microscope)

/hpf      per high power field

HPI       history of present illness

HPL      human placental lactogen

HR       heart rate

HRPPP human research participant protection program

HRSPA    Human Research Subjects Protections Act

h.s.      hour of sleep

HSE     herpes simplex encephalitis

HSG     hysterosalpingogram

HSV     herpes simplex virus

Ht         height

HTLV-III    human T-lymphocyto-trophic virus (AIDS)

htn       hypertension

HUB     Hubbard tank

HUP     Hospital of the University of Pennsylvania

HVD     hypertensive vascular disorder

H-wave   electromyographic test

Hx        history

hypo    injection

Hz        Hertz (cycles per second)

If you are aware of any abbreviations not in this list, your help would be greatly appreciated.  Please send me any abbreviations not on the list and I will update the web site.  Click here to send a comment.