Finger Pulse Oximeter. It steadily monitors the patient's pulse and oxygen saturation of the blood.
Finger Pulse Oximeters have dropped in price considerably over the last few years making them easily accessible to the millions of people in need of them.
If you are looking to buy a Finger Pulse Oximeter and want to know which one to buy, Concord Health Supply Inc., would be a good place to start. They have a wide range of medical products including Finger Pulse Oximeters, the latter which are at a substantial discount at this moment.
Concord finger pulse oximeters are accurate, with well-engineered design and easy-to-use, and reasonably price (more so now with their discounts). And if you are in the US, they provide Free UPS ground shipping on all orders.