Question

A 58-year-old man presents with progressive exertional dyspnoea and orthopnoea. Echocardiography shows LVEF 25 percent and severe functional limitations (NYHA class III). He is on optimal medical therapy. According to Canadian heart failure and device guidelines, which patients are typically considered for an implantable cardioverter-defibrillator (ICD) for primary prevention?

Accepted Answer

Patients with LVEF ≤35 percent despite at least 3 months of optimal medical therapy and reasonable life expectancy

Answer

Any patient with any degree of left ventricular dysfunction

Answer

Only patients with prior sustained ventricular tachycardia

Answer

Only patients over 75 years of age

Answer

Patients with LVEF <50 percent and hypertension

Practice question