List of medical abbreviations: H
| Abbreviation | Meaning |
|---|---|
| h | hr / hours |
| H | histamine or its receptors (if with subscripts) hemagglutinin |
| Hx | history |
| HA | headache calcium hydroxyapatite |
| H/A | headache |
| 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 | |
| H&E | hematoxylin and eosin, a standard tissue stain |
| HE | hepatic encephalopathy |
| HEC | |
| 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 | hand, foot and mouth disease |
| HFNC | high flow Nasal cannula |
| HFRS | hemorrhagic fever with renal syndrome |
| HGB | hemoglobin |
| HGSIL | high-grade squamous intraepithelial lesion |
| HGV | hepatitis G virus |
| HGPRTase | hypoxanthine-guanine phosphoribosyl transferase |
| HH | hiatus hernia |
| HH | |
| 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 |
| 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 |
| 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) |
| 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 |
| 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 |
| 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) |
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