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PART I: COMMON MEDICAL ABBREVIATIONS

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Note: Many of the medical abbreviations contained in Part I of this appendix are used in the Casebook. A more extensive list of abbreviations is available on the Internet at www.medilexicon.com and other sites.

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A & O Alert and oriented
A & P Auscultation and percussion; anterior and posterior; assessment and plan
A & W Alive and well
A1C Hemoglobin A1C
aa Of each (ana)
AA Aplastic anemia; Alcoholics Anonymous
AAA Abdominal aortic aneurysm
AAL Anterior axillary line
AAO Awake, alert, and oriented
AAP American Academy of Pediatrics
ABC Absolute band count; absolute basophil count; aspiration, biopsy, and cytology; artificial beta cells
Abd Abdomen
ABG Arterial blood gases
ABI Ankle brachial index
ABP Arterial blood pressure
ABW Actual body weight
ABx Antibiotics
AC Before meals (ante cibos)
ACC American College of Cardiology
ACE Angiotensin-converting enzyme
ACEI Angiotensin-converting enzyme inhibitor
ACG American College of Gastroenterology
ACL Anterior cruciate ligament
ACLS Advanced cardiac life support
ACR Albumin:creatinine ratio, American College of Rheumatology
ACS Acute coronary syndrome
ACT Activated clotting time
ACTH Adrenocorticotropic hormone
AD Alzheimer’s disease, right ear (auris dextra)
ADA American Diabetes Association; adenosine deaminase
ADE Adverse drug effect (or event)
ADH Antidiuretic hormone
ADHD Attention-deficit hyperactivity disorder
ADL Activities of daily living
ADR Adverse drug reaction
AED Antiepileptic drug(s)
AF Atrial fibrillation
AFB Acid-fast bacillus; aortofemoral bypass; aspirated foreign body
Afeb Afebrile
AFP α-Fetoprotein
A/G Albumin–globulin ratio
AGA American Gastoenterological Association
AGE Acute viral gastroenteritis
AHA American Heart Association
AI Aortic insufficiency
AIDS Acquired immunodeficiency syndrome
AKA Above-knee amputation; alcoholic ketoacidosis; all known allergies; also known as
AKI Acute kidney injury
ALD Alcoholic liver disease
ALFT Abnormal liver function test
ALK Anaplastic lymphoma kinase
ALL Acute lymphocytic leukemia; acute lymphoblastic leukemia
ALP Alkaline phosphatase
ALS Amyotrophic lateral sclerosis
ALT Alanine aminotransferase
AMA Against medical advice; American Medical Association; antimitochondrial antibody
AMI Acute myocardial infarction
AML Acute myelogenous leukemia
Amp Ampule
AMPA α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid
ANA Antinuclear antibody
ANC Absolute neutrophil count
ANLL Acute nonlymphocytic leukemia
Anti-CCP Anticyclic citrullinated peptide
AODM Adult onset diabetes mellitus
A & O × 3 Awake and oriented to person, place, and time
A & O × 4 Awake and oriented to person, place, time, and situation
AOM Acute otitis media
AP Anteroposterior
APACHE Acute Physiology and Chronic Health Evaluation
APAP Acetaminophen (N-acetyl-p-aminophenol)
aPTT Activated partial thromboplastin time
ARB Angiotensin receptor blocker
ARC AIDS-related complex
ARDS Adult respiratory distress syndrome
ARF Acute renal failure; acute respiratory failure; acute rheumatic fever
AROM Active range of motion
AS Left ear (auris sinistra)
ASA Aspirin (acetylsalicylic acid)
ASCVD Atherosclerotic cardiovascular disease
ASD Atrial septal defect
ASH Asymmetric septal hypertrophy
ASHD Arteriosclerotic heart disease
AST Aspartate aminotransferase
ATG Antithymocyte globulin
ATN Acute tubular necrosis
AU Each ear (auris uterque)
AV Arteriovenous; atrioventricular
AVM Arteriovenous malformation
AVR Aortic valve replacement
AWMI Anterior wall myocardial infarction
BAC

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