Editorial

From Editor-in-Chief:    Gains of the year, acknowledging reviewers, welcome to a new Editor, current issue, key trials at AHA 2021, updates on pandemics and painful loss

Gulmira Kudaiberdieva

162

Editorial

What is new in ESC 2021 guidelines on prevention of cardiovascular diseases?

Akpay Sarybaev, Bishkek, Kyrgyz Republic

166

Editorial

What is new in valvular heart disease ESC Guidelines 2021?

Giuseppe Iuliano, Rodolfo Citro, Salerno, Italy

168

Original Research

Preoperative cardiopulmonary exercise testing for risk assessment before elective coronary artery bypass grafting surgery

Mariana Carazza, Fernando CC Souza, Andrea De Lorenzo, Rio de Janeiro, RJ, Brazil

172

Original Research

The pattern of systemic inflammation index in normotensive non-dipper and dipper hypertensive patients

Nadir Emlek, Cihan Aydin, Rize, Tekirdag, Turkey

177

Review

Blunt traumatic aortic injury: CT angiography images and short review of current literature

Ferhat Can Piskin, Duygu Ozgul, Yasin Guzel, Erol Huseyin Aksungur, Adana, Turkey

184

Case report

Large patent ductus arteriosus in a 14-month-old girl with low birth weight

Abai K. Turdubaev, Malika A. Kakharova, Bishkek, Kyrgyzstan

190

Image with discussion – Innovative technologies

Successful treatment of chronic total occlusion of the coronary arteries through the femoral vein: a novel approach

Marat Aripov , Alexey Goncharov, Ayan Abdrakhmanov, Philip la Fleur, NurSultan, Kazakhstan

194

Quiz

Quiz: Multimodality imaging of a left ventricular mass

Sergey Yakovlev,  Anna Kalinskaya, Moscow, Russian Federation

198

Answer to quiz on page 198 and case discussion

Answers to quiz:  Multimodality imaging of a left ventricular mass

Sergey Yakovlev,  Anna Kalinskaya, Moscow, Russian Federation

200

Letter to the Editor

Letter to the Editor:  Multimodality imaging of a left ventricular mass

Guljan Abakirova, Bishkek, Kyrgyzstan

202

Letter to the Editor

Answer to Letter to the Editor:  Multimodality imaging of a left ventricular mass

Sergey Yakovlev,  Moscow, Russian Federation

203

Letter to the Editor

Multimodality imaging of a left ventricular mass -  ECG?

Ljuba Bacharova, Bratislava, Slovakia

204

Letter to the Editor

Answer to Letter to the Editor:  Multimodality imaging of a left ventricular mass – ECG?

Sergey Yakovlev,  Moscow, Russian Federation

205

Letter to the Editor

Multimodality imaging of a left ventricular mass -  ECG insights

Ljuba Bacharova, Bratislava, Slovakia

207

Letter to the Editor

Answer to Letter to the Editor:  Multimodality imaging of a left ventricular mass – ECG insights

Sergey Yakovlev,  Moscow, Russian Federation

208

Indexes

Author Index 2021

209

Reviewer Index 2021

210

Content Index 2021

211