Krzemień-Wolska, Krystyna, 2nd Department of Cardiology in Zabrze, Medical University of Silesia, Katowice, Poland Krzemińska-Pakuła, Maria Krzemińska-Pakuła, Maria, Department of Cardiology Medical University of Lodz (Poland) Krzemińska-Pakuła, Maria Krzemiński, Tadeusz F. Krzesiński, Paweł, Military Institut of Medicine Krzesiński, Paweł Krzesiński, Paweł Krzesiński, Paweł (Poland) Krzesiński, Paweł Krzeszowski, Paweł Krzowski, Bartosz, 1st Department of Cardiology, Medical University of Warsaw, Poland Krzowski, Bartosz Krzowski, Bartosz (Poland) Krzowski, Bartosz Krzych, Łukasz, Deptartment of Cardiac Anaestesiology and Intensive Care, Medical University of Silesia in Katowice, Silesian Centre for Heart Diseases in Zabrze Krzych, Łukasz, Department of Cardiac Anaesthesia and Intensive Therapy, Medical University of Silesia, Silesian Centre for Heart Diseases, Zabrze, Poland Krzych, Łukasz J., Chair of Anaesthesiology, Intensive Care and Emergency Medicine, Clinical Dept. of Cardiac Anaesthesiology and Intensive Care, Medical University of Silesia in Katowice Krzych, Łukasz J., Department of Anaesthesiology and Intensive Care, School of Medicine in Katowice, Medical University of Silesia, Katowice, Poland Krzych, Łukasz, Chair and Clinic of Anaesthesiology and Intensive Care, Medical University of Silesia, Katowice) Department of Cardiac Anaesthesia and Intensive Care, Silesian Centre for Heart Diseases, Zabrze Krzych, Łukasz Krzych, Łukasz J. Krzych, Łukasz Krzych, Łukasz J. Krzykwa, Agnieszka