You have a date for surgery, but are unsure which blood tests to arrange or whether you need an electrocardiogram (ECG). There is no single preoperative test list for everyone. The requirements depend on the procedure, your health, the planned anaesthesia and the operating facility’s instructions.
Why are tests performed before surgery?
Tests can help the clinical team assess your health and plan surgery and anaesthesia. Depending on the situation, it may matter whether you have anaemia, impaired kidney function or a significant electrolyte imbalance. A test is most useful when its result could affect your care or when the operating facility requires it.
A healthy person having a minor procedure may need fewer tests than someone with several chronic conditions preparing for major surgery. The need for tests in children is also assessed individually.
Which blood tests might be needed before surgery?
These are possible tests, not a mandatory list for every patient. Your surgeon, anaesthesiologist or operating facility will specify what you need.
| Test | Why might it be requested? |
|---|---|
| Full blood count | To assess haemoglobin, platelets and other blood cell measurements, particularly if significant blood loss is possible or anaemia is suspected. |
| Kidney function and electrolytes | Creatinine, sodium and potassium may be relevant because of kidney disease, medication or the extent of surgery. |
| Blood glucose or HbA1c | For people with diabetes or when glucose regulation and control need assessment before surgery. |
| Coagulation tests | When there is a history of unusual bleeding, liver disease, relevant medication or a procedure-specific requirement. People taking anticoagulants do not all need the same tests. |
In some situations, a pregnancy test may be offered after discussion with the patient and according to the operating facility’s policy.
Do I need an ECG before surgery?
An ECG can help assess heart rhythm and other aspects of heart function, but it is not automatically required. The decision depends on your age, cardiovascular history, symptoms, the extent of surgery and the operating facility’s instructions. If an ECG has been requested, you can have an ECG at Republikas laukuma klīnika.
When should I have the tests?
There is no universal validity period for every test and every hospital. When your operation is scheduled, ask:
- Which tests do I need?
- How recent must the results be?
- When and how should I submit them?
- Do I need a separate consultation with an anaesthesiologist before the day of surgery?
Arrange tests early enough for the results to be reviewed and any issues clarified, but not so early that they fall outside the operating facility’s accepted time frame.
Do I need to fast before a blood test?
That depends on the specific tests and the laboratory’s instructions. Check the preparation advice for your own test list. Fasting for a blood test and fasting before anaesthesia are separate matters. Follow the eating and drinking instructions given by your operating facility or anaesthesiologist for the procedure.
What should I bring to an anaesthesiologist consultation?
Bring the operating facility’s test list, available blood test and ECG results, records about chronic conditions and a list of your medicines. Tell the anaesthesiologist about allergies, previous operations and any reactions to anaesthesia. Mention medicines that affect bleeding and medicines for diabetes. Do not stop prescribed medicines on your own; ask your treating clinician or anaesthesiologist for specific instructions.
The anaesthesiologist reviews your health and results and decides whether anything else is needed. Read more about the preoperative anaesthesiologist consultation.
Where can I arrange preoperative tests in Riga?
At Republikas laukuma klīnika in central Riga, you can provide blood samples for requested tests, have an ECG and arrange an anaesthesiologist consultation. Before booking, share the operating facility’s test list with us. We can help identify which requested tests are available at our clinic and how to arrange a consultation. The facility performing your operation decides which results it requires.
Frequently asked questions
Does everyone need a full blood count before surgery?
No. It depends on the planned procedure, your health and the operating facility’s requirements.
Can I choose a ready-made “preoperative test package” myself?
If you have a list from the operating facility, use that. Otherwise, first ask your surgeon or anaesthesiologist. A fixed package might include tests you do not need while missing a test required for your particular operation.
Can I have tests at a different clinic from the hospital where I will have surgery?
Often yes, but check the operating facility’s requirements for the type of tests, result format and accepted time frame first.
What if a result is outside the reference range?
Contact the clinician who requested the test or the operating facility. A result outside the reference range does not automatically mean surgery must be postponed; it needs to be interpreted in context.
