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Sleep Apnea

Poly-somnography

Medical prescription compulsory

Where?

Diagnostic testing performed at the clinic during a full night’s sleep. Under the supervision of a respiratory therapist or an medical electro-neurophysiology technologist.

How?

It uses a range of sensors to record physiological data such as:

  • Cerebral electric, cardiac and muscular activity
  • Certain respiratory parameters (apneas or hypopneas)

This allows quantifying the respiratory events and analyzing them on the basis of the following variables:

  • Sleep stages and micro-awakeness
  • Respiratory effort
  • Gasometrical repercussions – by measuring for percutaneous oxymetrical saturation
  • Cardiovascular repercussions – by measuring the heart rate

For which case is this test indicated?

When obstructive sleep apnea (respiratory arrest) is not visible but the presence of sleep disorders is suspected.

Contra-indications

None

 

Procedures and indications to follow