Collection center

Information for patients

Dear Patients,

By taking a blood sample, we assume that you agree with this collection. Therefore, allow some information about blood collection:

  • follow your doctor's instructions before taking a blood sample - some donations require fasting or a certain diet;
  • make sure that the body is sufficiently moist (mineral water, unsweetened tea, etc.);
  • if you are taking blood thinners, inform the medical staff;
  • it is imperative to compress the injection site for at least 2 to 5 minutes after blood collection to prevent hematoma (bruising) at the injection site;
  • on the day of collection, do not wear heavy things in the hand from which it was taken, do not exercise.

Risks associated with blood collection from a vein are: mild or mild discomfort at the injection site, mild dizziness (likely to be reduced by adequate fluid intake - unsweetened beverages are recommended), pain, bruising or bleeding at the site from which the blood was collected. The risk of infection at the injection site is minimal. In order to prevent and minimize the occurrence of these risks, established standard procedures and measures are followed.

Collection does not pose any increased risk to pregnant women.

If you experience any discomfort or discomfort after the procedure, tell your doctor.

In order to improve the quality of our services, we have prepared for you short questionnaire. It takes up to 3 minutes to complete. Thank you in advance for filling in, we appreciate your opinion.


Patient Information for oGTT
(oral glucose tolerance test - glycemic curves)

Test Indication

Suspected glucose tolerance disorder or diabetes mellitus - fasting fasting blood glucose (repeatedly between 5.60 - 6.99 mmol / l) differential diagnosis of hypoglycaemia, glycosuria. In pregnant women suspected of gestational diabetes mellitus, a history of childbirth over 4 kg.

Contraindications for performing the test: a short time after discontinuation of diabetes therapy - need to be missed before the test for at least 3 weeks - determined by the attending physician.

Preparation before examination

The diet of a person to be tested should be carbohydrate rich at least 3 days prior to the test.

The patient should consume the usual food and observe the usual physical effort.

Starvation before the test should last at least 8 hours. If possible, your doctor will recommend skipping some medicines.

Performing the test

The test is done in the morning between 7 am and 8 am. The patient logs in at the reception center reception. Following the blood collection from a vein and after a fasting glucose test, a 75 g glucose drink in 250 ml water is given.

Glucose is not given (the test is not carried out further) if fasting blood glucose exceeds 7.0 mmol / l, 5.0 mmol / l in pregnant women. During the test, the patient maintains physical and mental calmness, does not eat, drink, smoke.

After 1 hour (only in pregnant women) and after 2 hours (in all patients) since the drink, another blood donation from the vein follows.

At a specified time, the patient applies for a subscription to a nurse who performed the 1st collection.

The total duration of the test is at least 2.5 hours.

The patient is monitored all the time, does not leave the workplace of the Collection Center. The staff verifies that the patient has drank the entire dose of the drink, monitors compliance with the regimen and any difficulties (nausea, vomiting, diarrhea, etc.). In the event of difficulties, the patient must report this to the staff.

Examination availability  

Routine examination: Mon - Fri from 6.30 am - 8.00 am without order at OC ÚLBLD VFN, Faculty Polyclinic, Karlovo nám. 32, ground floor of the building to the right of the main entrance.

Follow the instructions exactly to get the highest possible information value.


Information for patients prior to blood collection from port or cannula

  • Before taking blood, follow your doctor's instructions - some donations require fasting or a certain diet;
  • Ensure adequate irrigation (mineral water, non-sweetened tea, etc.);

Complications associated with using the system port

  • injection site pressure ulcer
  • rotation or displacement of the chamber
  • migration and cranking of the cannula
  • skin erosion
  • venous wall disorder
  • bleeding while impaling
  • extravasation

Technical complications of the system

  • rupturing the port or cannula
  • leakage of chamber connection with cannula
  • system disconnection

Infectious complications

  • needle puncture infectious complications into the port (chamber)
  • infection of the subcutaneous pocket of the port (along the catheter tunnel)
  • catheter sepsis

Non-infectious tissue reaction at needle injection site into port

  • thrombotic complications
  • thrombotic catheter closure

In order to prevent and minimize the occurrence of these risks and complications, established standard procedures and measures are followed.

In the event of difficulties or complications, inform the physician or ambulance of the VFN immediately.

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