September 11, 2014 — Patients who rely on pacemakers and defibrillators to maintain a normal heart rhythm run the risk of serious health complications if they don’t fully understand how the devices work and what to do when they experience an irregular heartbeat. But a study from Columbia University School of Nursing, published in the Journal of Cardiovascular Nursing, found that 40 percent of patients with these devices had little to no ability to understand information about their cardiac health.
