ABC | Volume 113, Nº4, October 2019

Short Editorial Silva Incipient systolic dysfunction Arq Bras Cardiol. 2019; 113(4):746-747 1. Heimdal A. Doppler based ultrasound imaging methods for noninvasive assessment of tissue viability [thesis] . Trondheim: Norwegian Faculty of Medicine/University of Science and Technology; 1999. 2. Støylen A. Strain rate imaging of the left ventricle by ultrasound . Feasibility, clinical validation and physiological aspects [thesis]. Trondheim: Norwegian faculty of Medicine/University of Science and Technology; 2001. 3. Silva CES, Ferreira LDC, Peixoto LB, Monaco CG, Gil MA, Ortiz J et al. Avaliação da contratilidade segmentar na doença de Chagas utilizando a integral do gradiente intramiocárdico de velocidade (strain miocárdico) obtida pela ecocardiografia com Doppler tecidual. Arq Bras Cardiol 2005;84(5):285-91. 4. Amundsen BH, Helle-Valle T, Edvardsen T, Torp H, Crosby J, et al. Noninvasive Myocardial Strain Measurement by Speckle Tracking Echocardiography.ValidationAgainstSonomicrometryandTaggedMagnetic Resonance Imaging. J Am Coll Cardiol 2006;47(4):789 –93. 5. Park JJ,Park JB,Park JH,ChoGY.Global longitudinalstraintopredictmortality in patients with acute heart failure. J AmColl Cardiol. 2018;71(18):1947-57. 6. Sengeløv M, Jørgensen PG, Jensen JS, Bruun NE, Olsen FJ, Fritz-Hansen T, et al. Global longitudinal strain is a superior predictor of all-cause mortality in heart failure with reduced ejection fraction. JACC Cardiovasc Imaging. 2015;8(12):1351-9. 7. Maia RJC, Brandão SCS, Brandão DC, Leite J, Parente GB, Pinheiro F, et al. Global Longitudinal Strain Predicts Poor Functional Capacity in Patients with Systolic Heart Failure. Arq Bras Cardiol. 2019; 113(2):188-94. 8. Rodrigues RC, Azevedo KML, Moscavitch SD, Setubal S, Mesquita CT. OUso do Strain Bidimensional Obtido pelo Speckle Tracking na Identificação da Disfunção Ventricular Incipiente emPacientes Infectados peloHIV emUso de Terapia Antirretroviral, Pacientes HIVnão Tratados eControles Saudáveis. Arq Bras Cardiol. 2019; 113(4):737-745. 9. Mendes L, Silva D, Miranda C, Sá J, Duquec L. Impact of HIV infection on cardiac deformation. Rev Port Cardiol. 2014;33(9):501-9. References This is an open-access article distributed under the terms of the Creative Commons Attribution License 747