Sleep Medicine Abbreviations

Certain abbreviations may appear in the test. Some of these abbreviations and their

meaning are listed below.

A fib Atrial fibrillation

A1 Old nomenclature used prior to 2007; equivalent to M1

A2 Old nomenclature used prior to 2007; equivalent to M2

AASM American Academy of Sleep Medicine

AAST American Association of Sleep Technologists

AB automatic behavior

ABG arterial blood gas

ABSM American Board of Sleep Medicine

AC Alternating current

acetylcholine

ADA Americans with Disabilities Act

ADD attention deficit disorder

ADHD attention deficit hyperactivity disorder

AHI apnea hypopnea index

AI apnea index

ALTE Apparent life threatening event

Amps amperes

ANS: autonomic nervous system

AOI Apnea of infancy

APAP auto-titrating PAP

ARAS Ascending reticular activating system

ASPS advanced sleep phase syndrome

ASPT advanced sleep phase type

ASV Adaptive servo-ventilation

AV atrio-ventricular

AVAPS Average volume assured pressure support

BAC blood alcohol content

BCLS Basic cardiac life support

BE Base excess

benzos Benzodiazepines

bio-cals physiological calibrations

BMI body mass index

BPAP Bi-level PAP therapy

Sleep Medicine Abbreviations

2

BPM beats per minute

CAD coronary artery disease

CBT cognitive behavior therapy

CFIDS chronic fatigue immune dysfunction syndrome

CFS chronic fatigue syndrome

CHF congestive heart failure

cm centimeter

cm H2O centimeters of water pressure

CMN certificate of medical necessity

CMR Common mode rejection

CMRR Common mode rejection ratio

CMS Centers for Medicare & Medicaid Services

CNS central nervous system

CO2 carbon dioxide

COPD Chronic Obstructive Pulmonary Disease

CPAP continuous positive airway pressure

CPS cycles per second

CSA central sleep apnea

CSR Cheyne Stokes Respiration

DC Direct current

DME durable medical equipment

DSM-IV Diagnostic and Statistical Manual of Mental Disorders, 4th

Edition

DSPS delayed sleep phase syndrome

DSPT delayed sleep phase type

DX diagnosis

E1 Left eye electrode

E2 Right eye electrode

ECG electrocardiogram

EDS excessive daytime sleepiness

EEG electroencephalogram, electroencephalographic

EKG electrokardiogram

EMG electromyogram

ENT ears nose and throat

EOG electrooculogram

EPAP expiratory positive airway pressure

Sleep Medicine Abbreviations

3

ESS Epworth Sleepiness Scale

F waves Flutter waves

fib fibrillation

FIO2 fractional inspired oxygen

FOSQ Functional Outcomes of Sleep Questionnaire

FRC functional residual capacity

G1 G = Gate or Grid; G1 is the exploring electrode of a derivation

G2 G = Gate or Grid; G2 is the reference electrode of a derivation

GABA gamma-aminobutyric acid

GAD generalized anxiety disorder

GAHMS genioglossus advancement, hyoid myotomy, and suspension

GERD gastroesophageal reflux disease

H2O water

HB hemoglobin

HCO3 Bicarbonate level

HFF High frequency filter

HH hypnogogic hallucinations

HI Hypopnea Index

HIPAA Health Insurance Portability and Accountability Act

HIV human immunodeficiency virus

HLA human leukocyte antigen

HX medical history

Hypop Hypopnea

Hz Hertz (cycles per second)

ICD International Classification of Diseases

ICD-10 International Classification of Diseases, 10th

revision

ICD-9-CM International Classification of Diseases, 9th

revision, Clinical

Modification

ICSD-2 International Classification of Sleep Disorders, Revised

IH idiopathic hypersomnia

IPAP Inspiratory Positive Airway Pressure

IPSP inhibitory postsynaptic potential

IRM Institute of Respiratory Medicine

IVAPS Intelligent volume assured pressure support

L/min liters per minute

Sleep Medicine Abbreviations

4

LAMF low amplitude, mixed frequency

LAUP laser-assisted uvulopalatoplasty

LFF Low frequency filter

LMG Laser midline glossectomy (tongue reduction)

LOC left outer canthus

MAO monoamine oxidase

MAOI monamine oxidase inhibitor

MBM Major body movement

MI myocardial infarction

mm millimeter

mmHg millimeters of Mercury

MMOA mandibular maxillary osteotomy and advancement

MRA mandibular repositioning appliance

MRI magnetic resonance imagery

MSA mixed sleep apnea

MSLT Multiple Sleep Latency Test

mV Millivolt

mV/cm Millivolts per centimeter

MWT Maintenance of Wakefulness Test

nCPAP Nasal continuous positive airway pressure

NCSDR National Commission on Sleep Disorders Research

NPT nocturnal penile tumescence

NREM Non-Rapid Eye Movement; non-REM

O2 Oxygen

OA Oral appliance

OCD obsessive compulsive disorder

ODI oxygen desaturation index

OH obstructive hypopnea

OHS obesity hypoventilation syndrome

OSA obstructive sleep apnea

OSA Obstructive Sleep Apnea

OSAS Obstructive Sleep Apnea Syndrome

PAC Premature atrial contraction

PAP positive airway pressure

PAP Positive airway pressure (CPAP or Bi-Level)

Sleep Medicine Abbreviations

5

PASS Pull/Aim/Squeeze/Sweep (fire extinguisher use)

PCP primary care physician

PEEP positive end-expiratory pressure

PGO ponto-geniculo-occupital [spike]

pH Acidity level of the blood

PHI Personal Health Information

PJC Premature junctional compex

PLMD periodic limb movement disorder

PLMS periodic limb movements in sleep (ot PLM)

PND paroxysmal nocturnal dyspenea

PPE Personal protective equipment

PSG polysomnography, polysomnographic

PSQI Pittsburgh Sleep Quality Index

PTSD posttraumatic stress disorder

PVC Premature ventricular contraction

PVDF polyvinylidene fluoride air flow sensor

R/O rule out

RACE Rescue/Alarm/Contain/Extinguish (fire safety)

RAT Rhythmic anterior theta

RBD REM sleep behavior disorder

RCP respiratory care practitioner

RDI respiratory disturbance index

REM rapid eye movement

RERA respiratory effort-related arousal

RIP respiratory inductive plethysmography

RLS restless leg syndrome

ROC right outer canthus

RX prescription

SA Sino-atrial

SAD seasonal affective disorder

SAHS sleep apnea/hypopnea syndrome

SAS sleep apnea syndrome

SCN suprachiasmatic nucleus

SDB sleep disordered breathing

SE sleep efficiency

Sleep Medicine Abbreviations

6

SE% sleep efficiency percentage

SEM slow eye movement

SIDS sudden infant death syndrome

SL sleep latency

SO sleep onset

SOB Shortness of Breath

SOL sleep onset latency

SOREM sleep onset REM

SOREMP sleep onset REM period

SP sleep paralysis

SpO2 oxy-hemoglobin saturation

SRBD Sleep related breathing disorder

SRE sleep related erection

SSRI selective serotonin reuptake inhibitor

SSS Stanford Sleepiness Scale

SWA slow wave activity

SWD shift work disorder/shift work sleep disorder

SWS slow wave sleep

T temperature

T&A Adenotonsillectomy

TA Tracé alternant

tachy tachycardia

TC Time constant

TCA tricyclic antidepressant

TIB time in bed

TMJ temporomandibular joint

TRD tongue retaining device

TREM total REM time

TRT total recording time

TST total sleep time

TSW total slow wave sleep (Stage N3)

TX treatment

μA microAmps

UARS upper airway resistance syndrome

UPPP uvulopalatoharyngoplasty

Sleep Medicine Abbreviations

7

μV/mm microvolts per millimeter

V fib Ventricular fibrillation

V tach Ventricular tachycardia

VPAP variable positive airway pressure

WASO wake after sleep onset

WOB Work of breathing

μV Microvolts