This is a diagnostic test that is often preferred over spending the night in a sleep lab. A small device worn overnight in the comfort of your own bed provides adequate data for some people that are believed to have obstructive sleep apnea. A patient wears the small recorder on a belt around the chest with a nasal cannula to monitor breathing and a finger probe (pulse oximeter) to monitor blood oxygen level and heart rate. This diagnostic test requires an order from a medical provider.
Pull the belt around your chest and thread the end of the belt through the open slot. The belt should be snug enough to stay where you put it, centered on your chest.
Insert the prongs into your nostrils curved downward and loop the plastic tubing around your ears. Pull the slider up and TAPE on either side of your nose.
Place sensor over your finger, making sure that your finger goes to the end of the sensor and TAPE the wire to your hand.
Press and hold the button until the button light turns green and then, let go. This takes about 3-4 seconds.
Press and hold the button until the machine lights turn off.
There will be one light that turns on, this indicates that the test is complete.
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