The Biventricular vs Right Ventricular Pacing in Heart Failure Patients with Atrioventricular Block (BLOCK HF) trial tested the hypothesis that biventricular pacing (cardiac resynchronization therapy [CRT]) would be superior to right ventricular pacing in patients with mild-to-moderate heart failure, left ventricular systolic dysfunction, and an indication for full-time ventricular pacing.
The Atrial Fibrillation Follow-up Investigation of Rhythm Management (AFFIRM) trial was completed more than 10 years ago.
Patients seen in emergency departments (ED) for acute chest pain who are deemed low risk for acute coronary syndrome (ACS) and relatively safe for discharge are often referred to their primary care physician (PCP) for follow-up.
Beta-blockers and noncardiac surgery; prenatal medication exposure and risk of autism; reasons for statin discontinuations; and FDA actions.
