Search results for (2022). Low blood oxygen (hypoxemia). Retrieved from NHS health A-Z.

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• Blood tests

  Find out about blood tests, including why they’re done, how to prepare, what happens at the test, and when you’ll get your results.

• Hospital referrals and appointments – NHS App help

  You can manage hospital referrals and appointments using the NHS App or the NHS website.

• Blood pressure test

  Find out why a blood pressure test is important, how it's done and what your blood pressure reading might mean.

• About NHS login

  NHS login allows you to access a range of health and care websites and apps with one set of log in details.

• Changing your contact details – NHS App help

  Find out how to use the NHS App to change the email address and mobile phone number the NHS uses to contact you.

• Free NHS eye tests and optical vouchers

  Find out if you're entitled to a free NHS sight test or an optical voucher to help reduce the cost of glasses or contact lenses.

• NHS App accessibility statement - Version 10.1, 22 December 2025

  Find out more about how accessible the NHS App is, and how make sure as many people as possible can use it.

• Websites and apps you can access with NHS login

  Find out which websites and apps you can access using NHS login, including online pharmacies, GP systems and other NHS services.

• Viewing or changing your GP surgery – NHS App help

  How to view or change your GP surgery using the NHS App.

• Record your symptoms - NHS App help

  How to record your symptoms using the NHS App.