ARRHYTHMIA

This study tested whether doctors can safely place a permanent pacemaker using only ultrasound (echocardiography) instead of X-rays. 31 adults with arrhythmia took part. The goal was to see if this radiation-free method works well and reduces risks from X-ray exposure.

This study looked at how physically active 100 adults with heart arrhythmias (irregular heartbeats) really are. Researchers at the University of Sao Paulo used surveys to measure activity levels and quality of life. The goal was to understand current habits so doctors can better …

This study looked at whether silent myocardial ischemia (reduced blood flow to the heart without symptoms) increases the risk of heart-related death or problems in people with coronary heart disease. Researchers followed participants for one to three years to track outcomes. The …

This study looked at how well a procedure called catheter ablation works for treating abnormal heart rhythms in people with congenital heart disease. Researchers followed 40 patients for one year after the procedure to see if the abnormal rhythm came back. The goal was to underst…

This study tested whether children aged 1 to 17 could wear a small adhesive heart monitor (Zio patch) for up to 14 days. The goal was to see if the patch stays on and gives clear heart signals. 36 children took part, and the study looked at how much usable heart data the patch re…

This study tested whether a noninvasive light-based monitor (NIRS) can accurately measure oxygen levels in the liver of children with heart disease. Researchers enrolled 100 children undergoing heart catheterization to compare the sensor readings with standard blood samples. If p…

This study looked at whether certain gene changes make sudden cardiac death more likely. Researchers checked DNA from 2500 people for links to heart rhythm problems. The goal was to find genetic clues that could help predict risk, not to test a treatment.