Catecholaminergic polymorphic ventricular tachycardia 1

This study looks back at the medical records of 300 people with arrhythmogenic cardiomyopathy who have an implantable cardioverter-defibrillator (ICD) and have had dangerous heart rhythms. Researchers want to count how often ICD-related problems occur, such as lead failure or ina…

This study follows 25,000 people referred to a specialized heart clinic with symptoms like chest pain or shortness of breath. Researchers will track which heart conditions are actually diagnosed and how patients are evaluated. The goal is to improve diagnostic accuracy and unders…

This study looks at whether people with certain heart rhythm disorders also carry genetic variants linked to a rare muscle condition called non-dystrophic myotonia. Researchers will review medical records of 570 participants and invite some for a neurological exam and electromyog…