"BESS: benign enlargement of the subarachnoid space(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"
"B"
"B symptoms"
"Ba: barium"
"B-ALL: B-cell acute lymphoblastic leukaemia"
"Be: beryllium"
"Benzo: benzodiazepine"
"BeS: beryllium sensitisation"
"Bi: bismuth"
"BiPAP: bilevel positive airway pressure"
"BiTE: bi-specific T-cell engager"
"BiVAD: biventricular assist device"
"Bk: berkelium"
"Bld: blood"
"Bachelor of Medicine"
"Becker muscular dystrophy"
"B/O: because of"
"BoNT/A: botulinum toxin A"
"Bell palsy"
"British Pharmacopoeia"
"Bq: becquerel"
"Br: bromine"
"BraTS: Brain Tumour Segmentation"
"Bronch: bronchoscopy"
"BrS: Brugada Syndrome"
"Bachelor of Surgery"
"BSc: Bachelor of Science"
"Blalock-Taussig shunt"
"British Thoracic Society"
"Bx: biopsy"
"blood type (ABO system)"
"BAC"
"BAD: branch atheromatous disease"
"BADASS: biochemical abnormality of doubtful actual sense or significance"
"BAE: bronchial artery embolisation"
"BAHA: bone-anchored hearing aid"
"BAL"
"BALF: bronchoalveolar lavage fluid"
"B-ALL: B-cell acute lymphoblastic leukaemia"
"BAM: binary alignment map"
"BARP: British Association for the Advancement of Radiology and Physiotherapy"
"BAT: blunt abdominal trauma"
"BATO: balloon-occluded anterograde transvenous obliteration"
"BAV: bicuspid aortic valve"
"BB"
"BBA: blood blister-like aneuyrsm"
"BBB"
"BBFA: both bone forearm fracture"
"BBFF: both bone forearm fracture"
"BBT: basal body temperature"
"BC"
"BCC"
"BCG: bacillus Calmette-Guérin vaccine"
"BCI"
"BCLC: Barcelona Clinic Liver Cancer (staging)"
"BCSS: breast cancer-specific survival"
"BCV: brachiocephalic vein"
"BCVI: blunt cerebrovascular injury"
"BD: twice a day (drug prescriptions, Latin: bis in die)"
"BDFL: benevolent dictator for life"
"BD-IPMN: branch duct type - intraductal papillary mucinous neoplasm"
"BDNF: brain-derived neurotrophic factor"
"BDR: background diabetic retinopathy"
"BE"
"BED: biological equivalent dose (in radiotherapy)"
"BEET: bleomycin electro-embolotherapy"
"BE-FAST: balance, eye sight, face drooping, arm weakness, speech difficulties, and time (in stroke)"
"BEH: benign external hydrocephalus"
"BERT: background equivalent radiation time"
"BESS: benign enlargement of the subarachnoid space(s)"
"BESSI: benign enlargement fo the subarachnoid spaces in infancy"
"BEST: bleomycin electro-sclerotherapy"
"BF: butterfly"
"BG"
"BHD: Birt-Hogg-Dubé syndrome"
"BHR: Birmingham hip resurfacing"
"BIAD: blind insertion airway device"
"BIBA: brought in by ambulance"
"BICR: blinded independent central review"
"BIMT: blunt intestinal and mesenteric trauma"
"BIR: British Institute of Radiology"
"BI-RADS: breast imaging - reporting and data system"
"BJP: Bence-Jones proteins"
"BJR: British Journal of Radiology"
"BK"
"BKA: below-the-knee amputation"
"BL: Burkitt lymphoma"
"BLMG: bleomycin-glucuronide"
"BLS: basic life support"
"BLUE: bedside lung ultrasound in emergency"
"BLVR: bronchoscopic lung volume reduction"
"BM"
"blood sugar (named after Boehringer Mannheim, company which developed the BM test strip)"
"BMAT: bone marrow aspiration and trephine"
"BMD"
"BME: bone marrow oedema"
"BMI: body mass index"
"BMRR: Brookhaven Medical Research Reactor"
"BMO: bone marrow oedema"
"BMP"
"BMR: basic metabolic rate"
"BMS"
"BMT: bone marrow transplant"
"BNF: British National Formulary"
"BNO: bowel not opening"
"BNP: brain natriuretic peptide"
"BNS: bilateral nerve sparing"
"BO"
"BOFS: branchio-oculo-facial syndrome"
"BOLD: blood oxygenation level dependent contrast"
"BOM: bilateral otitis media"
"BOO: bladder outlet obstruction"
"BOOP: bronchiolitis obliterans organising pneumonia"
"BOR: branchio-oto-renal syndrome"
"BOS"
"BOSD: bottom of sulcus dysplasia"
"BOT: base of tongue"
"BOV: blurring of vision"
"BP"
"BPA: balloon pulmonary angioplasty"
"BPAD: bipolar affective disorder"
"BPC: Blake's pouch cyst"
"BPE: benign prostatic enlargement"
"BPG: bypass graft"
"BPH"
"BPI: best possible image"
"BPM: beats per minute"
"BPOP: bizarre parosteal osteochondromatous proliferation"
"BPPV: benign paroxysmal positional vertigo"
"BPSD: behavioural and psychological symptoms of dementia"
"BPV: benign positional vertigo"
"BRAO: branch retinal artery occlusion"
"BRBPR: bright red blood per rectum"
"BRCA: breast cancer"
"BRET: background radiation equivalent time"
"BRIC: benign recurrent intrahepatic cholestasis"
"BRICS: Bronchiectasis Radiologically Indexed CT Score"
"BRONJ: bisphosphonate-related osteonecrosis of the jaw"
"BRTO: balloon-occluded retrograde transvenous obliteration"
"BRVO: branch retinal vein occlusion"
"BS"
"BSA: body surface area"
"BSF: basal skull fracture"
"BSI: bloodstream infection"
"BSL"
"BSO: bilateral salpingo-oophorectomy"
"BSSO: bilateral sagittal split osteotomy"
"BST: basic surgical training (UK)"
"BST: basic surgical training (UK)"
"BT"
"BTB: believed to be"
"BTM: Biodegradable Temporising Matrix (full-thickness burns treatment)"
"BTN: benign thyroid nodules"
"BTS"
"BTV: biological target volume"
"BUN: blood urea nitrogen"
"BV: bacterial vaginosis"
"BVNA: basivertebral nerve ablation"
"BW"
"BATiC: Blunt Abdominal Trauma in Children (score)"
"BCLC: Barcelona Clinic Liver Cancer (staging)"
"BHR: Birmingham hip resurfacing"
"BMRR: Brookhaven Medical Research Reactor"
"BNF: British National Formulary"
"BPC: Blake's pouch cyst"
"bpMRI: Biparametric Magnetic Resonance Imaging (in prostate MRI)"
"BraTS: Brain Tumour Segmentation"
"BSc: Bachelor of Science"
"BTKi: Bruton's tyrosine kinase inhibitors"
"BTM: Biodegradable Temporising Matrix (full-thickness burns treatment)"