1. 2nd Anaesthesiology and Intensive Care Clinical Ward, Clinical University Hospital in Olsztyn, Department of Anaesthesiology and Intensive Care, University of Warmia and Mazury in Olsztyn, Poland
2. 1st Clinical Department of Anaesthesiology and Intensive Care, Regional Specialist Hospital in Olsztyn, Poland
3. Emergency Department, Regional Specialist Hospital in Olsztyn, Poland
4. Department of Cardiology, Regional Specialist Hospital in Olsztyn, Poland