Letters to the Editor

• Results from the ACI-SEC Infarction Code Registry. The ECG also exists. Response

  Oriol Rodríguez-Leor, Xavier Rosselló, Ana Belén Cid-Álvarez, Armando Pérez de Prado

  Rev Esp Cardiol. 2023;76:577

• Results from the ACI-SEC Infarction Code registry. The ECG also exists

  Miquel Fiol Sala, Andrés Carrillo López, Alberto Rodríguez Salgado

  Rev Esp Cardiol. 2023;76:576

• New research avenues for the prognostic value of the Tpeak-Tend interval in patients with different morphological variants of tako-tsubo syndrome. Response

  Giulio La Rosa, Gemma Pelargonio, Maria Lucia Narducci, Filippo Crea

  Rev Esp Cardiol. 2023;76:491-2

• Cardiopulmonary exercise test in patients with post SARS-CoV-2 sequelae: need to create a multicenter working group

  Luca Vannini, Alejandro Quijada-Fumero, Ana Laynez-Carnicero, Julio S. Hernández Afonso

  Rev Esp Cardiol. 2023;76:488-9

• Cardiopulmonary exercise test in patients with post SARS-CoV-2 sequelae: need to create a multicenter working group. Response

  Robinson Ramírez-Vélez, Nora García-Alonso, Julio Oteiza, Mikel Izquierdo

  Rev Esp Cardiol. 2023;76:489-90

• New research avenues for the prognostic value of the Tpeak-Tend interval in patients with different morphological variants of tako-tsubo syndrome

  John E. Madias

  Rev Esp Cardiol. 2023;76:490-1

• Variability and equity, a debatable relationship. Response

  José M. de la Torre-Hernández, Manuel Lozano González, Tamara García Camarero, David Serrano Lozano

  Rev Esp Cardiol. 2023;76:215

• Cardiopulmonary exercise testing in patients with severe aortic stenosis: lights and shadows

  Juan Lacalzada-Almeida, Belén Marí-López, Rebeca Muñoz-Rodríguez

  Rev Esp Cardiol. 2023;76:212

• Cardiopulmonary exercise testing in patients with severe aortic stenosis: lights and shadows. Response

  Néstor Báez-Ferrer, Pablo Avanzas, Alberto Domínguez-Rodríguez

  Rev Esp Cardiol. 2023;76:213

• Variability and equity, a debatable relationship

  J. Alberto San Román, Itziar Gómez Salvador

  Rev Esp Cardiol. 2023;76:213-4

• RECALCAR methodology. Some clarifications. Response

  Jaume Marrugat, Isaac Subirana, Irene R. Dégano

  Rev Esp Cardiol. 2023;76:75

• RECALCAR methodology. Some clarifications

  Ángel Cequier, José Luis Bernal, Cristina Fernández Pérez, Francisco Javier Elola

  Rev Esp Cardiol. 2023;76:74-5

• Cost-effectiveness of transcatheter aortic valve implants in 2022

  Manuel Martínez-Sellés

  Rev Esp Cardiol. 2022;75:853

• Healthcare network for patients with acute aortic syndrome. Response

  Carlos Ferrera, Isidre Vilacosta, Francisco Javier Serrano, Luis Carlos Maroto Castellanos

  Rev Esp Cardiol. 2022;75:775

• Healthcare network for patients with acute aortic syndrome

  Ángel L. Fernández, Mohammad M. El-Diasty

  Rev Esp Cardiol. 2022;75:774

• Incomplete left ventricular unloading following left ventricular assist device implantation

  Teruhiko Imamura

  Rev Esp Cardiol. 2022;75:694

• Incomplete left ventricular unloading following left ventricular assist device implantation. Response

  Maria J. Ruiz-Cano

  Rev Esp Cardiol. 2022;75:694-5

• Cardio-oncology at present: a pending challenge

  Víctor Juárez Olmos, Andrea Severo Sánchez, Pilar Zamora Auñón, Teresa López-Fernández

  Rev Esp Cardiol. 2022;75:695-6

• Environmental factors like air pollution: not to be forgotten on the 2021 ESC guidelines of heart failure

  Alberto Domínguez-Rodríguez, Pedro Abreu-González, Daniel Hernández-Vaquero

  Rev Esp Cardiol. 2022;75:538

• Environmental factors like air pollution: not to be forgotten in the 2021 ESC guidelines on heart failure. Response

  Domingo A. Pascual-Figal, José Ramón González-Juanatey

  Rev Esp Cardiol. 2022;75:539