When it comes to finding the best pulse oximeter for doctors in the UK, there are several factors to consider. Accuracy and reliability are critical, as well as ease of use and portability. Some recommended options include the Nonin Onyx Vantage 9590, Masimo MightySat Rx, and the Choicemmed MD300C2. These devices are all known for their high accuracy and reliability in measuring oxygen saturation levels and pulse rates. They are also designed with the needs of medical professionals in mind, with features such as easy-to-read displays, long battery life, and durable construction. Overall, choosing the right pulse oximeter can help doctors provide the best possible care for their patients.