Diagnosis of Sleep Apnea
Caglar CUHADAROGLU
Acıbadem University
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Diagnosis of Sleep Apnea: Symptoms, Evaluation, and Event Definitions, Slides of Medicine
An overview of the diagnosis of sleep apnea, including changes in medical history and clinical evaluation. It covers symptoms such as snoring, daytime sleepiness, and memory loss, as well as laboratory evaluations using questionnaires and event definitions. The document also discusses the Epworth Sleepiness Scale and the STOP-BANG Questionnaire for risk assessment.
What you will learn
- What is the STOP-BANG Questionnaire and how is it used in sleep apnea risk assessment?
- What are the event definitions for hypopnea and Cheyne-Stokes breathing in sleep studies?
- How is sleep apnea diagnosed through laboratory tests?
- What is the Epworth Sleepiness Scale and how is it used in sleep apnea diagnosis?
- What are the common symptoms of sleep apnea?
Typology: Slides
2019/2020
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Diagnosis of Sleep Apnea
Caglar CUHADAROGLU
Acıbadem University
What has been changed?
• Sanscrits- Stiuation of human being
• Ibn Sina- Avicenna- Law of Medicine
• Robert Macknish- Phylosophy of Sleep
• Charles Dickens- Pickwick Paper
Changed
Laboratory
- (^) Questionaires
- (^) Event definitions
- (^) Diagnostic technics
Symptoms
- (^) Snoring
- (^) Witnesess Apnea
- (^) Unsatisfied sleep
- (^) Daytime sleepiness
- (^) Memory loss
- (^) Headache
- (^) Failure in school
performance
Epworth Slepiness Scale
STOP-BANG Questionnaire
- (^) S: Snoring
- (^) T: Tired
- (^) O: Observed
- (^) P: Pressure (Hypertension)
- (^) B: Body Mass Index > 35 Kg/M^2
- (^) A: Age > 50 years
- (^) N: Neck circumference >17” in M >16” in F
- (^) G: Gender= MaleLow Risk : Yes to 0 - 2 questions Intermediate Risk : Yes to 3 - 4 questions High Risk : Yes to 5 - 8 questions or Yes to 2 or more of 4 STOP questions + male gender or Yes to 2 or more of 4 STOP questions + BMI > 35kg/m^2 or Yes to 2 or more of 4 STOP questions + neck circumference > 17 inches in M or 16 inches in F http://www.stopbang.ca/ osa/screening.php
Examination
• Obesity
• Upper respiratory
system
Event Definitions
RERA
Score a RERA event if there is increased respiratory effort/ flattening of inspiration for ≥10 seconds leading to an arousal but the event does not qualify as an apnea or hypopnea.
Cheyne Stokes Breathing
- (^) Score a respiratory event as Cheyne-Stokes breathing if BOTH of the following are met: - (^) There are episodes of ≥3 consecutive central apneas and/or central hypopneas separated by a crescendo and decrescendo change in breathing amplitude with a cycle length of ≥40 seconds. - (^) There are ≥5 central apneas and/or central hypopneas per hour of sleep associated with the crescendo/decrescendo breathing pattern recorded over ≥2 hours of monitoring. 2
10 Seconds Cheyne Stokes Crescendo- Decrescendo pattern