PSG Tech Guide

Polysomnographic Technologists Resources

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Respiratory-associated leg activity

Leg burst overlaps the end of a respiratory event

Educational reference, not a diagnostic tool. A scored event, an elevated index and a clinical diagnosis are different things. Follow your facility’s scoring manual, notification policies and clinical protocols.

  • The blue interval is an already-scored respiratory event, not a new apnea diagnosis.
  • The overlapping LM is excluded from PLMS scoring; apply the respiratory exclusion window.

Waveforms

Respiratory-associated leg activity

Not clinically reviewed

Movement

Synthetic teaching exampleThe blue interval is an already-scored respiratory event, not a new apnea diagnosis. The overlapping LM is excluded from PLMS scoring; apply the respiratory exclusion window.Source: User-supplied synthetic teaching illustration. Not patient data. Printed source keys: ISR, AASM_v3_updates. Instructor review pending. Accompanying guide and full source details were not supplied or verified.Pattern recognition, not a complete scoring rule or diagnosis. Confirm the current facility scoring criteria and clinical context. Not AASM-approved.

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