| Abbreviation
|
Meaning
|
| h |
hr / hours
|
| H |
histamine or its receptors (if with subscripts)
hemagglutinin
|
| Hx |
history
|
| HA ;
H/A
|
hypertonia arterialis
headache
calcium hydroxyapatite
|
| HAA |
hepatitis-associated antigen or #History As Above
|
| HAART |
highly active antiretroviral therapy
|
| HACA |
human anti-chimeric antibody
|
| HACE |
High-altitude cerebral edema
|
| HACEK |
acronym for a group of bacteria that are a frequent cause of endocarditis in children
|
| HAD |
HIV-associated dementia
|
| HADS |
Hospital Anxiety and Depression Scale
|
| HAE |
hereditary angioedema
|
| H/A |
headache
|
| HAI |
healthcare-associated infection or hospital-acquired infection
|
| HALE |
health-adjusted life expectancy
|
| HAPE |
high-altitude pulmonary edema
|
| HAV |
hepatitis A virus
|
| Hb |
hemoglobin
|
| HB |
heart block
|
| Hb% |
hemoglobin concentration in gram per deciliter
|
| HbA |
hemoglobin A (commonest type of hemoglobin)
|
| HbA1c |
glycated hemoglobin (used as a measure of diabetes control)
|
| HBD |
has been drinking
|
| HbF |
fetal hemoglobin
|
| HBO |
hyperbaric oxygen
|
| HBP |
high blood pressure, that is, hypertension
|
| HbsAg |
Hepatitis B surface antigen
|
| HBV |
hepatitis B virus
|
| HC |
head circumference
hemorrhagic colitis
homocysteine
|
| HCA |
Healthcare Associated, as in HCA-CDI
|
| HCAP |
health care-associated (or acquired) pneumonia
|
| HCC |
hepatocellular carcinoma
|
| HCF |
Healthcare Facility
|
| HCFA |
Healthcare Facility Associated, as in HCFA-CDI
|
| hCG |
human chorionic gonadotropin
|
| HCL |
hairy cell leukemia
|
| HCM |
hypertrophic cardiomyopathy
healthcare maintenance
|
| HCO3 |
bicarbonate
|
| Hct |
hematocrit
|
| HCT |
hematocrit
hematopoietic cell transplantation
|
| HCRP |
Hospital Cornea Retrieval Programme
|
| HCTZ |
hydrochlorothiazide
|
| HCV |
hepatitis C virus
|
| HD |
Hodgkin disease
Hemodialysis
Huntington's disease
|
| HDL |
high-density lipoprotein
|
| HDL-C |
high-density lipoprotein-cholesterol
|
| HDN |
hemolytic disease of the newborn
|
| HDS |
hemodynamically stable (i.e., not bleeding)
|
| HDU |
high dependency unit
|
| HDV |
hepatitis D virus
|
| HDW |
Hemoglobin Distribution Width
|
| H&E |
hematoxylin and eosin, a standard tissue stain
|
| HE |
hepatic encephalopathy
|
| HEC |
High emetogenic chemotherapy
|
| HEENT |
head, eyes, ears, nose, throat
|
HELP
HELLP |
HELLP syndrome (Hemolysis, elevated liver enzymes, low platelets in pregnancy)
|
| HEMA |
hydroxy ethyl methacrylate, a material in soft contact lenses
|
| Hema |
hematest – e.g. hema (-) – fecal occult blood
|
| HES |
hydroxyethyl starch
|
| HETE |
hydroxyeicosatetraenoic acid
|
| HEV |
hepatitis E virus
|
| HF |
heart failure
|
| HFpEF |
heart failure with preserved ejection fraction
|
| HFrEF |
heart failure with reduced ejection fraction
|
| HFM |
hand, foot and mouth disease
|
| HFMD
|
| HFNC |
high flow nasal cannula
|
| HFRS |
hemorrhagic fever with renal syndrome
|
| HGB |
hemoglobin
|
| HGH
|
Human Growth Hormone
|
| HGSIL |
high-grade squamous intraepithelial lesion
|
| HGV |
hepatitis G virus
|
| HGPRTase |
hypoxanthine-guanine phosphoribosyl transferase
|
| HH |
hemihypertrophy
hiatus hernia
hitting head
|
| H/H or H&H |
hemoglobin and hematocrit
|
| HHS |
Hyperosmolar hyperglycemic state
|
| HHT |
hereditary hemorrhagic telangiectisia
|
| HHV |
human herpesvirus
(including numerous subtypes such as HHV8)
|
| HI |
homicidal ideation
|
| Hib |
haemophilus influenzae B
|
| HIDA |
hepatobiliary iminodiacetic acid
|
| HIDS |
hyper-IgD (and periodic fever) syndrome
|
| HIE |
hypoxic ischemic encephalopathy (cerebral hypoxia)
|
| HIT |
heparin-induced thrombocytopenia
|
| HIV |
human immunodeficiency virus
|
| HL |
hepatic lipase
Hodgkin's lymphoma
hearing level
|
| HLA |
human leukocyte antigen
|
| HLD |
Hyperlipidemia
|
| HLHS |
hypoplastic left heart syndrome
|
| H&M |
hematemesis and melena
|
| HMD |
hyaline membrane disease
|
| HMG |
human menopausal gonadotropin
|
| HMG-CoA |
3-hydroxy-3-methyl-glutaryl-CoA
|
| HMGR |
3-hydroxy-3-methyl-glutaryl-CoA reductase
|
| H-mole |
hydatidiform mole
|
| HMS |
hyperreactive malarial splenomegaly
|
| HMSN |
hereditary motor sensory neuropathy
|
| HN |
hemagglutinin-neuraminidase
|
| HND |
hemolytic disease of the newborn
|
| HNP |
spinal disk herniation or herniated disk, that is, herniated nucleus pulposus
|
| HNPCC |
hereditary nonpolyposis colorectal cancer
|
| HNPP |
hereditary neuropathy with liability to pressure palsy
|
| H/O |
history of
|
| HOB |
head of bed (usually followed by number of degrees of elevation, e.g., HOB 10°)
|
| HOCM |
hypertrophic obstructive cardiomyopathy
|
| HONK |
hyperosmolar nonketotic state
|
| HOPI |
History of present illness
|
| H&P |
history and physical examination (which very often are considered as a pair)
|
| HPA |
hypothalamic-pituitary-adrenal axis
|
| HPETE |
hydroxyeicosatetraenoic acid
|
| HPF |
high-power field (microscopy)
|
HPI
H/oPI |
history of the present illness
|
| HPOA |
hypertrophic pulmonary osteoarthropathy (clubbing)
|
| hPL |
human placental lactogen (same as human chorionic somatomammotropin)
|
| HPP |
hypokalemic periodic paralysis
|
| HPS |
hantavirus pulmonary syndrome
|
| HPV |
human papillomavirus
|
| HR |
heart rate
|
| hr |
hour or hours
|
| HRS |
Hepatorenal syndrome
|
| HRAS |
Harvey rat sarcoma viral oncogene homolog
|
| HRCT |
High-resolution computed tomography
|
| HRT |
hormone replacement therapy
|
| h.s. |
at bedtime (from Latin hora somni)
|
| hs |
hours of sleep
|
| HS |
High Speed (+HS) (Collisions ≥35mph)
|
| H→S |
heel-to-shin test
|
| HSC |
human chorionic somatomammotropin (same as human placental lactogen)
|
| HSCT |
Hematopoietic stem cell transplantation
|
| HSG |
hysterosalpingogram
|
| HSIL |
high-grade squamous intraepithelial lesion
|
| HSM |
hepatosplenomegaly
|
| HSP |
Henoch–Schönlein purpura
hereditary spastic paraplegia
|
| HSV |
herpes simplex virus
|
| HT |
hypertension
|
| Ht |
height
|
| HTLV |
human T-lymphotropic virus
|
| HTN |
hypertension
|
| HTPA |
hypothalamic-pituitary-adrenal axis
|
| HTVD |
hypertensive vascular disease
|
| HUS |
hemolytic uremic syndrome
|
| HVA |
homovanillic acid
|
| HVLT |
high-velocity lead therapy (facetious term for gunshot wound)
|
| Hx |
history (of)
|