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Diag Pro Unit 8

SPC Diagnostic Procedures Exam 4 Unit 8

Sleep Cycle is broken down to what? 5 Stages & 2 Divisions
What is REM sleep? Rapid Eye Movement sleep
What is Non-REM sleep? Non-Rapid Eye Movement sleep
How often is a new sleep cycle started? 90min
Significant of Non-REM sleep? 1. Occupies 80% of cycle 2. 4 different stages 3. Restorative functions of sleep occur during these stages 4. Hormones released that help the body rebuild and repair
Significant of REM sleep? 1. Remaining 20% of cycle 2. Memories & thoughts processed 3. Vivid dreams occur 4. Lose use of limbs during REM 5. Active mind inactive body
5 stages of sleep cycle? 1. Transition to sleep 2. Light Sleep 3. Deep Sleep 4. Intense Deep Sleep 5. REM/Dream
Sleep disorders diagnosed with sleep studies? 1. Sleep Apnea- Obstructive or Central 2. Excessive daytime sleepiness 3. Periodic movements of sleep 4. Motor episodes of sleep 5. Seizures 6. Insomnia
Define sleep apnea? Repeated episodes of complete cessation of airflow for 10 sec. or more?
What is obstructive apnea? Caused by closure of upper airway?
What is central apnea? Lack of ventilator effort
How many adults have some degree of sleep apnea? 2-4%
Primary cause of OSA is a small/unstable pharyngeal airway due to soft tissue problems caused by? 1. Obesity 2. Tonsillar hypertrophy 3. Skeletal factors like small or recessed chin
The OSA patient has what? The drive to breath but can not due to narrow, obstructed airway
Severity of OSA includes? 1. Oxyhemoglobin Desaturation 2. Pulmonary Hypertension 3. Right heart failure 4. excessive daytime sleepiness
What is overlap syndrome? When a patient has COPD & OSA
With overlap syndrome patients usually are what? Obese w/ history of smoking and moderate to severe nocturnal oxyhemoglobin desaturation
Overlap syndrome leads to what? Complications like cardiac arrhythmias & polcythermia
Components of sleep study? EEG, EOG, EMG
Other recorded component's of sleep study? Respiration, ECG/EKG, Pulse Oximetry, Audio/Video Recording, Strain gauges for chest and ab movements
Indications for sleep studies? 1. COPD patients PO2 >55 2. Any patient with PaCO2 >45 3. Any patient with restrictive ventilator impairment 4. Neuromuscular problems w/: Right heart failure, Pulmonary hypertension, polycythermia, insomnia, fatigue, hypersomnia, brady/tachy
Neurologic disorders for sleep study? 1. Restless leg syndrome 2. Seizure 3. Parasomnias 4. Nocturnal movements 5. REM behavior disorder
Therapeutic disorders for sleep study? 1. CPAP titration 2. Assessment of sleep related interventions
Sleep-related breathing disorders? 1. Obstructed/Central sleep apnea 2. Circardian Rhythm disorder 3. Obesity/hypoventilation syndrome 4. Upper airway resistance syndrome
Contraindications for testing and patient preparation? 1. Psychotic 2. Demented 3. Fever 4. Intoxicated 5. Heavy Sedation
The display of events during a sleep study test is called what? Histogram or Hypnogram
Behavioral Treatment of Sleep Apnea? 1. Weight loss 2. No alchohal of drugs 3. Avoid sleep deprivation
Medical Treatment of Sleep Apnea? CPAP or BIPAP
Surgical Treatment of Sleep Apnea? 1. Surgery to bypass upper airway 2. Surgery to reconstruct the upper airway: Palatal/Maxillofacial/Uvulopalatopharyngoplasty (Most Common)
Adverse Effects of OSA? 1. Severe Desat 2. Hypertension/Pulmonary Hypertension 3. Ventricular failure/MI 4. Excessive sleepiness 5. Diminished quality of life
Created by: Langhout1418