Medical abbreviations and acronyms (A)
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This article contains a list of commonly used medical abbreviations and acronyms that start with the letter A and may be encountered in medicine and radiology (please keep in alphabetic order).
- A: adenine (one of the 4 main nucleotides)
- AA
- alleged assault
- anaplastic astrocytoma
- amino acid
- AAA
- abdominal aortic aneurysm
- acute anxiety attack
- AAC: adenocystic carcinoma
- AAL: anterior axillary line
- AARF: atlantoaxial rotatory fixation
- AAS
- AAST: American association for the surgery of trauma
- AB
- abortion
- antibiotics
- antibody
- ABC
- airways, breathing, circulation
- aneurysmal bone cyst
- antigen-binding capacity
- atomic, biological, chemical (warfare)
- ABER: abduction and external rotation position
- ABG: arterial blood gases
- ABI
- acquired brain injury
- ankle brachial index
- ABO: ABO blood type system
- ABPA: allergic bronchopulmonary aspergillosis
- ABPI: ankle-brachial pressure index
- ABR: American board of radiology
- abs
- absent
- absolute
- ABx: antibiotics
- AC
- abdominal circumference
- acromioclavicular (joint)
- amniocentesis
- anterior commissure
- arachnoid cyst
- ascending colon
- anticoagulant
- axillary clearance
- ACA
- anterior cerebral artery
- anti-cardiolipin antibody
- ACDF: anterior cervical discectomy and fusion
- ACE
- acetylcholine esterase
- angiotensin converting enzyme
- ACGME: accreditation council for graduate medical education
- ACh: acetylcholine
- AChE: acetylcholine esterase
- ACJ: acromioclavicular joint
- ACL: anterior cruciate ligament
- ACLS: advanced cardiac life support
- ACOM: anterior communicating artery
- AC-PC line: anterior commissure - posterior commissure line
- ACR: American college of radiology
- ACS
- acute coronary syndrome
- altered conscious state
- ACTH: adrenocorticotropic hormone
- AD
- addict
- alcohol dehydrogenase
- Alzheimer disease
- antidepressant
- atopic dermatitis
- autosomal dominant
- axillary dissection
- ADC
- apparent diffusion coefficient
- analog-to-digital converter
- ADEM: acute disseminating encephalomyelitis
- ADH: antidiuretic hormone
- ADHD: attention deficit hyperactivity disorder
- ADHF: acute decompensated heart failure
- ADL: activities of daily living
- ADP: adenosine diphosphate
- ADR: adverse drug reaction
- A/E: accident and emergency (department)
- AE: air entry
- AF
- amniotic fluid
- atrial fibrillation
- AFB: acid-fast bacillus
- AFI: amniotic fluid index
- AFP: alpha fetoprotein
- AFS: allergic fungal sinusitis
- AG
- anion gap
- antiglobulin (test)
- Ag
- silver
- antigen
- A/G: albumin-globulin ratio
- AI
- artificial insemination
- assisted insemination
- artificial intelligence
- autoimmune
- AICA: anterior inferior cerebellar artery
- AICD: automated implantable cardiac defibrillator
- AIDS: acquired immunodeficiency syndrome
- AIIS: anterior inferior iliac spine
- AIP: acute interstitial pneumonitis
- AKA: above knee amputation
- AKI: acute kidney injury
- Al: aluminium
- ALARA: as low as reasonably achievable
- ALARP: as low as reasonably practicable
- ALCAPA: anomalous left coronary artery from the pulmonary artery
- ALD
- alcoholic liver disease
- adrenoleukodystrophy
- ALI: acute lung injury
- ALL
- acute lymphoblastic leukaemia
- anterior longitudinal ligament
- ALND: axillary lymph node dissection
- ALP: alkaline phosphatase
- ALPSA: anterior labroligamentous periosteal sleeve avulsion
- ALS
- ALT
- anterolateral thigh free flap
- alanine transaminase
- AM: acute marginal artery
- AMI
- acute myocardial infarct
- acute mitral insufficiency
- A-mode: amplitude mode (ultrasound)
- AMP: adenosine monophosphate
- AN
- ANA: antinuclear antibodies
- anat: anatomy
- ANOH: anatomic neck of humerus
- Ao: aorta
- AOM: acute otomastoiditis
- AP: anterior posterior or anteroposterior
- APLA: antiphospholipid antibodies
- APML: acute promyelocytic leukemia
- APO: acute pulmonary oedema
- APR: abdominoperineal resection
- APRV: airway pressure release ventilation
- APTT: activated partial thromboplastin time
- APW: aortopulmonary window
- AR
- aortic regurgitation
- autosomal recessive
- Ar: argon
- ARDS: acute respiratory distress syndrome
- ARF: acute renal failure
- ART: assisted reproductive technology
- AS
- ankylosing spondylitis
- aortic sclerosis
- aortic stenosis
- associate specialist
- As: arsenic
- ASA: acetylsalicylic acid
- ASB: anatomical snuff box
- ASD
- atrial septal defect
- autistic spectrum disorder
- aSDH: acute subdural haemorrhage
- ASIS: anterior superior iliac spine
- ASPECTS - Alberta stroke program early CT score
- AST: aspartate transaminase
- AT: atrial tachycardia
- ATA: anterior tibial artery
- ATFL: anterior talofibular ligament
- ATL: anterior temporal lobectomy
- ATLS: advanced trauma life support
- ATP: adenosine triphosphate
- ATRA: all-trans retinoic acid
- ATRT: atypical teratoid/rhabdoid tumour
- Au: gold (Latin: aurum)
- AV
- aortic valve
- atrioventricular
- AVF: arteriovenous fistula
- AVM: arteriovenous malformation
- AVR: aortic valve replacement
- AVSD: atrioventricular septal defect
- Ax
- axial
- axilla
- AXR: abdominal X-ray
-<ul>- +<p>This article contains a list of commonly used <strong>medical abbreviations and acronyms</strong> that start with the letter A and may be encountered in medicine and radiology (please keep in alphabetic order).</p><ul>
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