ARRHYTHMIA

This study looked at how much physical activity patients with heart arrhythmias (irregular heartbeats) get. Researchers surveyed 100 adults at a heart clinic in Brazil to measure their activity levels and quality of life. The goal was to understand how active these patients are, …

This study tested if doctors can safely place a permanent pacemaker using only ultrasound (echocardiography) instead of X-rays, which expose patients and staff to radiation. Thirty-one adults with arrhythmia took part. The goal was to see if the ultrasound-guided method works wel…

This study aimed to find out if silent myocardial ischemia—a condition where the heart doesn't get enough blood without causing chest pain—raises the risk of heart-related death or problems in people with coronary heart disease. Researchers followed patients for one to three year…

This study looked at 40 people with congenital heart disease who had a fast heart rhythm problem. Doctors used a procedure called catheter ablation to fix the rhythm and followed patients for one year to see if the problem came back. The goal was to learn how often the treatment …

This study checked if children aged 1 to 17 can wear a sticky heart monitor patch called Zio for up to 14 days. The patch records heart rhythm, like a band-aid with a battery. Researchers wanted to see if the patch stays on well and gives clear signals. 36 children took part, and…

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.