Playing it close to the VEST and the clinical guidelines: Clinical guideline compliance in HFrEF patients-Role of WCD.

Background: Guideline-directed medical therapy (GDMT) for patients with heart failure with reduced ejection fraction (HFrEF) has been challenging to achieve universally. Healthcare providers who seek to achieve optimal medical therapy frequently consider either a wearable cardioverter defibrillator (WCD) or an implantable cardioverter defibrillator (ICD) as indicated. The dynamic process of communication and physician recommendations marks a setting to study the relative interdependence of medical therapies and best practice.