how to use an oximeter at home

Step 1: Make sure, There’s no nail paint or false nails. Your hand is not cold. You rest for 5 minutes before taking a reading.
Step 2: Now, rest your hand on your chest at heart level and hold it still. Switch on the oximeter and place it on your middle or index finger.

Step 3:
Keep the oximeter in place for at least a minute, or longer if reading isn’t stable. Now, record the highest result once it has not changed for 5 seconds.

Step 4:
Take readings thrice a day, at the same time slots every day.

Seek medical help immediately, if
Your oxygen level is 92% or less, or
You are unable to complete short sentences,
while resting,
due to breathlessness.