The purpose of an intentional mask leak is to...
Wash out CO2 and prevent rebreathing
Recommended guidelines state that HSV can be considered
... [Show More] when....
Cheyne Stokes and central Apneas have not been eliminated.
What is aerophagia?
The swallowing of air
What is maxillomandibular advancement?
Treatment that involves cutting and advancing the upper and lower jaw bones; enlarging and stabilizing the posterior airway.
What is the PRIMARY function of the EPAP setting?
To eliminate desaturations and arousals.
According to guidelines, how many Hypopneas need to occur in peds pts prior to increasing pressure?
1
What are the AASM guidelines for supplemental O2 during PAP studies?
1lmp during PAP titration when SPO2 is less than or equal to 88% for 5 or more minutes and in the absence of obstructive events.
If a pts Apneas are fixed at 10cm, but Hypopneas and snoring still occur at 16cm, what levels of BiLevel should be used?
IPAP: 14
EPAP: 10
Which of the following can reduce the effectiveness of CPAP and why: Nasal spray, Alcohol, Anti depressants.
Alcohol: impairs arousal response which can lead to longer than normal events and severe desats. Inhibits upper airway activity
What syndrome would a pt with COPD and OSA have?
Overlap syndrome
What are hypoxemia and hypercapnia?
Hypoxemia: very low 02 in the blood
Hypercapnia: very high CO2 in the blood.
What would a patient with both hypoxemia and hypercapnia most likely be diagnosed with?
Hypoventilation
What is an MWT's MOST important use?
Measure patients ability to resist the urge to fall asleep
Tricyclic antidepressants, large amounts of caffeine and large amounts of chocolate have been known to trigger what?
REM sleep behavior disorder
Recommended impedance for eeg and eog
5k ohms
The amount of space needed to archive digitized data is MOST impacted by?
Sampling rate
Cortical activity is best described as
Spontaneous arousal
Calculate the AHI based on the following data
25 obstructive apneas
5 central apneas
23 mixed apneas
15 hypopneas
48 RERAS
65 arousals
360 min of sleep
11
According to RECOMMENDED guidelines, the minimum duration of a significant leg movement is
.5
According to RECOMMENDED guidelines, an optional parameter to include in the report for an adult polysomnogram is
Occurrence of hypoventilation during the diagnostic study in adult
The respiratory event that requires oxygen desaturation and/ or an arousal as part of the scoring criteria is
Obstructive hypopnea
An ECG arrhythmia commonly seen when recording PSG's, particularly in patients that have obstructive sleep apnea and cardiac disease. It can be identified by the morphology of an irregularly irregular ventricular rhythm associated with replacement of consistent P waves by rapid oscillations that vary in size, shape, and timing
Atrial fibrillation
The stage that is the greatest portion of the epoch
The stage that is the greatest portion of the epoch
What is the best response when a patient asks the technologist if they have sleep apnea and will need to wear a CPAP mask?
Provide the patient with educational material about sleep apnea
Which of the following is the MOST LIKELY cause of a 35 minute REM latency
Untreated depression
A breathing pattern characterized by at least three cycles of crescendo breathing with duration of at least 10 minutes is
Cheyne Stokes respiration
An important responsibility of the scoring tech is to
Confirm accuracy of report components
Which type of calibration is based on a series of patient instructions intended to verify the signal response and quality
Physiological
The most important reason for performing a MWT is to
Measure the patient's ability to resist the urge to fall asleep
The importance of selecting sampling rates according to RECOMMENDED guidelines is to
Minimize aliasing effect
The syndrome characterized by prolonged episodes of severe hypoxemia and associated PaCO2 elevation that worsens during sleep is
Obesity hypoventilation
The patient's medical history indicates the patient has been taking tricyclic antidepressants for the past 5 years. The technologist should anticipate that the patient may have an increased likelihood of
REM Sleep Behavior Disorder
According to RECOMMENDED guidelines, the sampling rate to provide the optimal resolution for recording EEG in a patient with suspected nocturnal seizure is
500Hz
The electrode located 30% above the left pre-a crease is
C3
According to RECOMMENDED guidelines, four nap opportunities on a MSLT would be acceptable when the patient
Had REM on at least two nap opportunities
A patient's history indicates a diagnosis of overlap syndrome. The tech can anticipate that the patient has
COPD AND OSA
ACCORDING TO RECOMMENDED GUIDELINES, WHICH OF THE FOLLOWING SHOULD BE INCLUDED WHEN RECORDING PEDIATRIC PATIENTS
END-TIDAL CO2
THE ABILITY TO REMONTAGE WHILE RECORDING ON DIGITAL EQUIPMENT IS THE RESULT OF
SYSTEM REFERENCING
WHEN REVIEWING A PATIENT'S HISTORY IN PREPARATION FOR A POLYSOMNOGRAM, PHYSIOLOGIC FINDINGS SUGGESTIVE OF HYPOVENTILATION INCLUDE
HYPOXEMIA AND HYPERCAPNIA
WHEN THE AMPLITUDE OF A SIGNAL EXCEEDS THE PHYSICAL LIMITATIONS OF A CHANNEL THE MOST IMPORTANT ADJUSTMENT THE TECH CAN MAKE TO OPTIMIZE WAVEFORM DISPLAY IS TO
DECREASE SENSITIVITY
WHEN INTERMITTENT 60 HZ ACTIVITY OCCURS IN THE F4-M1 ELECTRODES DURING REM SLEEP THE BEST IMMEDIATE ACTION WOULD BE TO
RELY ON F3-M2
A PATIENT WITH MILD DEMENTIA BECOMES MORE CONFUSED AND/OR AGITATED IN THE EARLY EVENING. THE PATIENT IS MOST LIKELY EXPERIENCING
SUNDOWNING
THE MOST COMMON METHOD TO MONITOR BLOOD OXYGEN SATURATION DURING POLYSOMNOGRAPHY IS
PULSE OXIMETRY
THE MOST APPROPRIATE ACTION A TECHNOLOGIST WOULD TAKE WHEN THERE IS CONFIRMED VENTRICULAR TACHYCARDIA GREATER THAN 30 SECONDS IS
INITIATE EMERGENCY RESPONSE SYSTEM
A PATIENT'S CHART INDICATES THAT THEY USE 30 L/MIN OF OXYGEN AT HOME. THE TECH NOTES THAT THE PHYSICIAN'S ORDERS FOR THE PSG SPECIFIES THE STUDY WITHOUT SUPPLEMENTAL OXYGEN AND TO ADD 1.0 L/MIN OXYGEN IF THE SATURATION IS LESS THAN 89%. THE BEST ACTION FOR THE TECH IS TO
CALL THE PHYSICIAN FOR CONFIRMATION
WHICH OF THE FOLLOWING IS THE MOST LIKELY EFFECT OF ZOLPIDEM AND ZALEPLON ON SLEEP ARCHITECTURE
INCREASED SLEEP LATENCY
WHICH OF THE FOLLOWING BEST DESCRIBES A REFERENTIAL MONTAGE
THERE IS POTENTIAL FOR ELECTRODE CONTAMINATION
ACCORDING TO RECOMMENDED GUIDELINES, THE DEVICE THAT SHOULD BE USED TO MONITOR AIRFLOW AND DETECT APNEA DURING A DIAGNOSTIC STUDY IS
ORONASAL THERMAL SENSOR
WHICH PROCESS WOULD BE AN ADEQUATE ROUTINE FOR DISINFECTING CUP ELECTRODES AFTER REMOVING ADHESIVE RESIDUE, GEL AND ORGANIC MATERIAL, AND WASHING IN WARM WATER AND MILD DETERGENT
SOAKING IN 1: 10 BLEACH AND WATER FOR 10 MIN.
WHICH OF THE FOLLOWING WOULD BE MOST IMPORTANT TO DOCUMENT DURING A POLYSOMNOGRAM
POSITION CHANGES
THE ELECTRODE ARRAY USED FOR RECORDING PHYSIOLOGIC ACTIVITY IS REFERRED TO AS
MONTAGE
ACCORDING TO RECOMMENDED GUIDELINES, THE MAXIMUM ELECTRODE IMPEDANCE FOR EEG AND EOG RECORDING IS
5000 OHMS
ACCORDING TO RECOMMENDED GUIDELINES, UNATTENDED PORTABLE MONITORING CAN BE USED AS AN ALTERNATIVE TO IN LAB TESTING WHEN
THERE IS A HIGH PROBABILITY OF MODERATE TO SEVERE OSA WITHOUT COMORBID CONDITIONS
A SELF REPORTING TOOL USED TO EVALUATE SUBJECTIVE SLEEP QUALITY AND DISTURBANCE OVER THE PREVIOUS MONTH IS
PITTSBURGH SLEEP QUALITY INDEX
THE MOST APPROPRIATE SETTING A TECHNOLOGIST WOULD USE TO CONTROL THE FREQUENCY BAND OF WAVEFORMS ON A RECORDING IS THE
(LOW FILTER (HIGH PASS FILTER)
WHICH OF THE FOLLOWING CAN NEGATIVELY IMPACT ALL BIOELECTRIC CHANNELS
CONTAMINATED M1
WHICH OF THE FOLLOWING SUBSTANCES CAN REDUCE THE EFFECTIVENESS OF PAP THERAPY
ALCOHOLIC BEVERAGES
A PATIENT THAT INTENTIONALLY ENGAGES IN BEHAVIORAL PATTERNS THAT ARE INCONSISTENT WITH SLEEPING WELL IS DEMONSTRATING
INADEQUATE SLEEP HYGIENE
WHAT IS THE BEST TOOL THAT A PHYSICIAN COULD USE TO MORE CLEARLY EXPLAIN THE RESULTS OF THE SLEEP STUDY AND THE IMPORTANCE OF THERAPY TO A PATIENT
HISTOGRAM
REAL TIME ACCESS TO PAP COMPLIANCE DATA IS AN EXAMPLE OF
EFFICACY MONITORING
A PROCESS TO DECREASE FEAR OF ARTIFICIAL CIRCUMSTANCES BY REPEATED AND CONTROLLED EXPOSURE TO A FEARED SITUATION IS
DESENSITIZATION
WHAT HAS THE LARGEST IMPACT ON ADHERENCE TO PAP THERAPY
PATIENT EDUCATION
WHICH STATEMENT IS TRUE REGARDING CPAP
THERE IS ONE LEVEL OF PRESSURE FOR INSPIRATION AND EXPIRATION
SLEEP DEBT CAN BEST BE DESCRIBED AS THE
CUMULATIVE EFFECT OF INSUFFICIENT SLEEP
ACCORDING TO RECOMMENDED GUIDELINES FOR PEDIATRIC CPAP TITRATION, HOW MANY HYPOPNEAS MUST OCCUR PRIOR TO INCREASING PRESSURE
ONE
EXCESSIVE WARMING AND HUMIDIFICATION WILL CAUSE
WATER TO POOL IN THE CPAP TUBING
MAXILLOMANDIBULAR ADVANCEMENT TREATS OSA BY
ENLARGING AND STABILIZING THE UPPER AIRWAY
IN PATIENTS WITH SEVERE SLEEP-DISORDERED BREATHING THE MOST COMMONLY SEEN RESPONSE RESULTING FROM SUCCESSFUL PAP TITRATION IS
REM AND SLOW WAVE REBOUND
WHICH OF THE FOLLOWING IS MOST LIKELY TO OCCUR DUE TO AN IMPROPERLY FITTING PAP INTERFACE?
CONJUNCTIVITIS [Show Less]