"HARNESS : harmonising brain imaging methods for vascular contributions to neurodegeneration"
"HSR(s): hypersensitivity reaction(s)"
"HSR(s): hypersensitivity reaction(s)"
"A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z - misc"
"H"
"H/A: headache"
"H&N: head and neck"
"Hb: haemoglobin"
"HbCO: carboxyhaemoglobin"
"HbE: haemoglobin E"
"HbF: fetal haemoglobin"
"HbS: haemoglobin sickle cell"
"H- cMRS: proton cardiovascular magnetic resonance spectroscopy"
"He: helium"
"HeRO: haemodialysis reliable outflow (graft)"
"HFmrEF: heart failure with mildly reduced ejection fraction"
"HFpEF: heart failure with preserved ejection fraction"
"HFrEF: heart failure with reduced ejection fraction"
"Hg: mercury"
"H&H: haemoglobin and haematocrit"
"Haller index"
"Hib: Haemophilus influenzae B"
"HiL: hardware-in-the-loop"
"His: histidine"
"His-IN: histamine-indometacin"
"Histo: histology"
"Histopath: histopathology"
"Hodgkin lymphoma"
"H/O: history of"
"Hon: honorary"
"HoLEP: holmium laser enucleation of the prostate"
"Hartmann procedure"
"H&P: history and physical examination"
"Health Physics Society"
"Henoch-Schönlein purpura"
"Hashithyrotoxicosis"
"Hx: history"
"Hz: hertz"
"henry (SI unit of inductance)"
"HA"
"HACE: high-altitude cerebral oedema"
"HAGMA: high anion gap metabolic acidosis"
"HAI:"
"HAMA: human anti-mouse antibodies"
"HAMN: high-grade appendiceal mucinous neoplasm"
"HANAC syndrome: hereditary angiopathy with nephropathy, aneurysms, and muscle cramps syndrome"
"HAND: HIV-associated neurocognitive disorders"
"HAP: hospital-acquired pneumonia"
"HAPE: high-altitude pulmonary oedema"
"HAR: high anterior resection"
"HARNESS : harmonising brain imaging methods for vascular contributions to neurodegeneration"
"HASTE: half-Fourier acquisition single shot turbo spin-echo (Siemens)"
"HAV: hepatitis A virus"
"HBE: hypertensive brainstem encephalopathy"
"HBS: hungry bone syndrome"
"HBSL: hypomyelination with brainstem and spinal cord involvement and leg spasticity"
"HBV: hepatitis B virus"
"HC"
"HCA: healthcare assistant"
"HCC: hepatocellular carcinoma"
"HCG: human chorionic gonadotropin"
"HCL: Harvard cyclotron laboratory"
"HCLA: hydrocortisone and local anaesthetic"
"HCM: hypertrophic cardiomyopathy"
"HCP: hydrocephalus"
"HCQ: hydroxychloroquine"
"HCV: hepatitis C virus"
"HCW: healthcare worker"
"HD"
"HDCS: hyperdense capsule sign"
"HDL: high density lipoprotein"
"HDN: haemolytic disease of the newborn"
"HDP: hydroxyethylene diphosphonate"
"HDR:"
"HDRB: high dose rate brachytherapy"
"HDU: high dependency unit"
"HDV: hepatitis D virus"
"HE: hepatic encephalopathy"
"HEA: hereditary angioedema"
"HEHE: hepatic epithelioid haemangioendothelioma"
"HELLP: haemolysis, elevated liver enzymes, and low platelets"
"HEPACAM: hepatocyte cell adhesion molecule"
"HEV: hepatitis E virus"
"HF"
"HFD: high fibre diet"
"HFMSE: Hammersmith Functional Motor Scale Expanded"
"HFNC: high flow nasal cannula"
"HFNP: high flow nasal prongs"
"HG: Heschl gyrus"
"HGBL: high-grade B-cell lymphoma"
"HGG: high grade glioma"
"HGPIN: high-grade prostatic intraepithelial neoplasia"
"HGSC: High-Grade Serous Carcinoma"
"HGSOC: high grade serous ovarian carcinoma"
"HH"
"HHD: hypertensive heart disease"
"HHS: hyperosmolar hyperglycaemic state"
"HHT"
"HHV: human herpesvirus"
"HI"
"HIA"
"HIE: neonatal hypoxic-ischaemic encephalopathy"
"HIFU: high intensity focused ultrasound"
"HINTS: Head Impulse, Nystagmus, and Test of Skew (for central vs peripheral acute continuous vertigo)"
"HIPAA: Health Insurance Portability and Accountability Act 1996 (US)"
"HIPAA: Health Insurance Portability and Accountability Act 1996 (US)"
"HIPEC: intraperitoneal hyperthermic chemoperfusion / hyperthermic intraperitoneal chemotherapy"
"HIPO: hybrid inverse treatment planning and optimisation (in radiotherapy)"
"HIS: hospital information system"
"HIT"
"HKB: hinged knee brace"
"HL"
"humeral length (obstetric US)"
"HLCNH: high-level care nursing home"
"HLH: haemophagocytic lymphohistiocytosis"
"HLHS: hypoplastic left heart syndrome"
"HMB: heavy menstrual bleeding"
"HMD: hyaline membrane disease"
"HME: hemimegalencephaly"
"HMG: human menopausal gonadotropin"
"HMG-CoA reductase: 3-hydroxy-3-methyl-glutaryl-coenzyme A reductase"
"HN: hydronephrosis"
"HNPCC: hereditary non-polyposis colorectal cancer"
"HNSCC: head and neck squamous cell carcinoma"
"HO"
"HOA: Hand osteoarthritis"
"HOCM"
"HOD: hypertrophic olivary degeneration"
"HOMA-IR: Homoeostasis Model Assessment of Insulin Resistance"
"HOP: head of pancreas"
"HOPE: hypothermic oxygenated machine perfusion"
"HP"
"HPA: hypothalamic pituitary adrenal axis"
"HPB: hepatopancreaticobiliary"
"HPC: history of presenting complaint/condition"
"HPD: hyperprogressive disease (in RECIST)"
"HPE"
"HPF: high-powered field of view"
"HPN: home parenteral nutrition"
"HPNST: hybrid peripheral nerve sheath tumour"
"HPOA: hypertrophic pulmonary osteoarthropathy"
"HPPS: Hereditary Paraganglioma-Phaeochromocytoma Syndrome"
"HPRT: high precision radiation therapy"
"HPS"
"HPT: home pregnancy test"
"HPTX: haemopneumothorax"
"HPV: human papillomavirus"
"HQH: high quality head (in radiotherapy)"
"HR"
"HRAD: hyperreactive airway disease"
"HRBV: high resolution BOLD venography"
"HRBV: high resolution BOLD venography"
"HRD: Humanitarian Radiology Development Corps"
"HRP: high risk plaque"
"HRR: homologous recombination repair"
"HRT: hormone-replacement therapy"
"HR-Tc-99m: hydrolysed reduced technetium-99m"
"HR-VWI: high-resolution magnetic resonance vessel wall imaging"
"HS"
"HSC: hysteroscopy"
"HSDNM: heart sounds dual, no murmur"
"HSG: hysterosalpingogram"
"HSM: hepatosplenomegaly"
"HSMBA: high speed motorbike accident"
"HSMBC: high speed motorbike crash"
"HSMVA: high speed motor vehicle accident"
"HSMVC: high speed motor vehicle crash"
"HSP"
"HSR(s): hypersensitivity reaction(s)"
"HSROC: hierarchical summary receiver operating characteristic"
"HSV: herpes simplex virus"
"HSVE: herpes simplex virus encephalitis"
"HT"
"HTA: Health Technology Assessment"
"HTLV: human T-cell lymphotropic virus"
"HTME: high-tec medical equipment"
"HTN: hypertension"
"HTO: high tibial osteotomy"
"HTT"
"HTX"
"HV: hepatic vein"
"HVI: hollow viscus injury"
"HVL: half value layer"
"HVPG: hepatic venous pressure gradient measurement"
"HWW: Herlyn-Werner-Wunderlich syndrome"
"HZ: homozygote"
"HCL: Harvard cyclotron laboratory"
"HFMSE: Hammersmith Functional Motor Scale Expanded"
"HG: Heschl gyrus"
"HGSC: High-Grade Serous Carcinoma"
"HINTS: Head Impulse, Nystagmus, and Test of Skew (for central vs peripheral acute continuous vertigo)"
"HIPAA: Health Insurance Portability and Accountability Act 1996 (US)"
"HOA: Hand osteoarthritis"
"HOMA-IR: Homoeostasis Model Assessment of Insulin Resistance"
"HPPS: Hereditary Paraganglioma-Phaeochromocytoma Syndrome"
"HRD: Humanitarian Radiology Development Corps"
"HTA: Health Technology Assessment"
"Hib: Haemophilus influenzae B"