Address for Correspondence: Ayan Abdrakhmanov, Department of Interventional Arrhythmology, National Research
Cardiac Surgery Center Astana, Kazakhstan, Email: ayan-3@mail.ru
Correct answer: A
Ayan Abdrakhmanov, Zhandos Esilbayev
Department of Interventional Arrhythmology
National Research Cardiac Surgery Center
Astana, Kazakhstan
Peer-review: Internal
Authorship: A.A. and Z.E. equally contrıbuted to preparation of quiz
Conflict of interest: None to declare
Acknowledgement and funding: None to declare