Medically reviewed by Richard N. Fogoros, MD Key Takeaways The right atrium collects deoxygenated blood and sends it to the lungs for oxygen.The electrical signal that makes the heart beat starts in ...

BOSTON, MA—Patients with heart failure and mildly reduced or preserved ejection fraction (HFmrEF/HFpEF) and elevated left atrial pressures appear to derive lasting benefits from a shunt that diverts ...