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Special investigations

Authoring team

Protocols for special investigations vary from hospital to hospital, and within hospitals also. Usually they may be as follows:

  • full blood count, creatine, urea and electrolytes on patients aged over 70, or who are on any medications, or who are having major surgery for which there is a need for a baseline measurement
  • ECG on all patients aged over 50 or with a history of cardiac disease
  • chest radiology on patients over 70, or with known respiratory disease, or heavy smokers
  • pulmonary function - particularly peak flow - on patients with airflow disease
  • sickle cell disease testing on afro-caribbeans

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