Editorial

From Editor-in-Chief Gulmira Kudaiberdieva

94

Invited Review

Technological advances in cardiac pacing and defibrillation

Sok-Sithikun Bun, Fabien Squara, Didier Scarlatti, Guillaume Theodore, Decebal Gabriel Lațcu, Mamadou Diakite, Karim Hasni, Fatima Azzahrae Benaich, Emna Allouche, Nadir Saoudi, Emile Ferrari, Nice, France, Monaco (Principality),  Bamako, Mali, Tunis, Tunisia

95

Invited Review

The gut and the heart: a concise narrative review

Cristiane Lamas, Rio de Janeiro, Brazil

102

Case report

Bundle branch reentrant tachycardia treated with cardiac resynchronization therapy in a patient with dilated cardiomyopathy

Panagiotis Koudounis, Paraskevi C. Fragkou, Maria Agelaki, Apostolos Christou, Panagiota Manolakou, Ioannis Tsiafoutis, Nikolaos Bourmpoulis, Apostolos Katsivas, Athens, Greece

105

Case report

A rare case of bacterial infective endocarditis caused by Streptococcus alactolyticus

Nedim Cekmen, Oben Baysan, Emine Disbudak, Ceren Gunt, Ankara, Turkey

109

Quiz

Electrophysiology

Ayan Abdrakhmanov, Zhandos Esilbayev, Nur-Sultan, Kazakhstan

114

Quiz

Electrocardiogram

Josh Hawson, Jonathan Lipton, Hobart, Australia

115

Quiz

Imaging

Ferhat Can Piskin, Erol Huseyin Aksungur, Kairgeldy Aikimbaev, Adana, Turkey

116

Education

International Research Interdisciplinary Schools 2019 (IRIS 2019)

Ljuba Bacharova, Eric Eisenstein, Jonathan Lipton, Mykhaylo Sorokivskyy, Lia Bang, Uliana Pidvalna, Anastasia Aker, Lubica Murinova, Dominika Komarova, Bratislava, Slovakia,  Durham, NC, USA, Hobart, Australia, Lviv, Ukraine, Copenhagen, Denmark

117

News

International jubilee scientific-practice conference devoted to the 110 years of academician

IK Akhunbaev, 60 years of the first heart surgery and 15 years of SRIHS&OT ``Innovations in cardiac surgery from finger commissurotomy to implantation of high-technology devices``

Seitkhan D. Djoshibaev, Taalaibek Z. Kudaiberdiev, JamaIbek I. Ashimov,  Arthur B. Jumanazarov, Atabek Anarbaev Stalbek M. Akhunbaev, Taraz, Kazakhstan, Bishkek, Kyrgyzstan

121

Answer to quiz  and case discussion

Answer to a Quiz on page 114:  Electrophysiology

Ayan Abdrakhmanov, Zhandos Esilbayev, Nur-Sultan, Kazakhstan

127

Answer to quiz  and case discussion

Answer to a Quiz on page 115:  Electrocardiogram

Josh Hawson, Jonathan Lipton, Hobart, Australia

128

Answer to quiz  and case discussion

Answer to a Quiz on page 116:  Imaging and Case Discussion

Ferhat Can Piskin, Erol Huseyin Aksungur, Kairgeldy Aikimbaev, Adana, Turkey

129

Correction

Correction note

130