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3 Cards in this Set
- Front
- Back
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What are the requirements for a series of limb movements to be scored as Periodic Limb Movements?
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There must be at least 4 limb movements, each at least 8uV above the resting limb movement amplitude and at least 0.5 seconds long, all occurring within 5 to 90 seconds of each other.
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What are the requirements for scoring a hypopnea?
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The airflow must decrease by at least 30% of the original amplitude and be associated with an oxygen desaturation of at least 4% or a 50% decrease in ampliude with a 3% oxygen desaturation.
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What are the requirements for scoring Cheyne Stokes Breathing?
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There must be at least 3 consecutive cycles of a waning-waxing pattern in the airflow with a duration of at least 10 seconds each, and at least 5 central apneas or hypopneas per hour of sleep during the night.
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