Pulse oximeter. Please in oximeter?

Make sure you don't have nailpaint on your finger. Make sure that your hands are at normal temperature, warm them a little if you feel they're cold. Rest and make your body relaxed before putting on the pulse oximeter. Place the pulse oximeter on your index or middle finger, as they have the highest blood supply. Make sure that the screen faces you while taking a reading. Any hand can be used. Place your hand on your chest near your heart and try reducing hand movement  Keep the pulse oximeter on your finger for at least a minute, till the reading stabilises. Record the highest reading that flashes on the oximeter after it has established after 10 seconds. •The normal pulse reading is 60 to 100 beats per minute and the normal saturation is more than 95%

Follow COVID appropriate behavior. 1. Wash your hands often with soap and water for at least 20 seconds. Use an alcohol-based hand sanitizer that contains at least 70% alcohol if soap and water are not available. 2. Avoid touching your eyes, nose, and mouth with unwashed hands 3. Avoid close contact with people who are sick. 4. Cover your cough or sneeze with a tissue, then throw the tissue in the trash. 5. Clean and disinfect frequently touched objects and surfaces. Maintain at least 1 meter (3 feet) distance between yourself and other people, particularly those who are coughing, sneezing and have a fever. 6. Wear cloth face coverings such as a mask in public settings, especially where other social distancing measures are difficult to maintain. 7. Ensure regular hand washing with soap and potable water after touching animals and animal products 8. Avoid touching eyes, nose or mouth with hands; Avoid contact with sick animals or spoiled animal products. 9. Strictly avoid any contact with other animals in the market (e.g., stray cats and dogs, rodents, birds, bats). 10. Avoid contact with potentially contaminated animal waste or fluids on the soil or structures of shops and market facilities. 11. Avoid consumption of raw or undercooked animal products: Handle raw meat, milk or animal organs with care, to avoid cross-contamination with uncooked foods, as per good food safety practices.

Middle finger of your dominant hand is best but you can use with other fingers also