teleconsultation Aged 1 Argentina 1 COVID-19 1 COVID–19 1 Death, Sudden, Cardiac 1 Death, sudden 1 Defibrillators, Implantable 1 Defibrillators, implantable 1 Epidemiologic Methods 1 Female 1 Heart Failure 1 Heart failure, congestive/mortality 1 Humans 1 Male 1 Middle Aged 1 Placebo Effect 1 Randomized Controlled Trials as Topic 1 Treatment Outcome 1 Ventricular Dysfunction, Left 1 adult 1 aged 1 article 1 clinical practice 1 communication 1 comunicación 1 comunicação 1 congestive heart failure 1 controlled study 1 defibrillator 1