Search results for (2023). Blood Tests: What They Are and Why You Need Them . NHS UK.

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• Why a heart valve replacement is done

  Find out why a heart valve replacement might be recommended to treat different types of heart valve disease.

• Temporal arteritis

  It's a serious condition that needs urgent treatment.

• Lumbar puncture

  Find out about lumbar punctures, including why they’re done, what happens during the procedure, side effects, how to help your recovery, and possible complications.

• Ankylosing spondylitis - Diagnosis

  It can be difficult to diagnose because the condition develops slowly and there's no definitive test.

• Why vaccination is important and the safest way to protect yourself

  Find out how vaccines work, what they contain and the most common side effects.

• Why a hip replacement is done

  Find out why a hip replacement might be recommended.

• Why gallbladder removal is done

  Find out why gallbladder removal (cholecystectomy) might be recommended.

• Colonoscopy

  Find out what a colonoscopy is, why it's done, what happens on the day and what the results mean.

• What happens when you call NHS 111

  Find out what happens when you call NHS 111, including what happens if you get a callback from a nurse.

• Polymyalgia rheumatica - Diagnosis

  A series of blood tests may be used to check the levels of inflammation in your body.