Dr. Zima works as the chief of Cardiac ICU at Semmelweis University Heart and Vascular Center. Dr. Zima is specialized in anesthesiology-intensive care and cardiology. Since 2006, he has been holding graduate and postraduate lectures and practices in anesthesiology and since 2008 in cardiology. He is a PhD Lecturer in Semmelweis University since 2010. He obtains an accreditation of EHRA on Cardiac Pacing and Implantable Cardioverter Defibrillators, he is accredited AALS Instructor of European Resuscitation Council. Dr. Zima authored 9 book chapters and more than 60 journal papers. He is a fellow of the European Heart Rhythm Association and Acute Cardiovascular Care Association, board member of the Hungarian Society of Cardiology, WG on Cardiac Pacing, WG of Heart Failure. Dr. Zima is also a member of the following societies: Hungarian Society of Resuscitation, Hungarian Society of Anesthesiology. His fields of interest are acute and intensive cardiac care, CPR and post-cardiac arrest intensive care, heart failure and cardiogenic shock, device therapy of arrhythmias, defibrillator waveform and AED development.