It is a type of arrhythmia, or abnormal heartbeat. There are three degrees of heart block — first, second, or third degree. First-degree heart block is the least serious. It does not usually ...

Bristol Heart Institute is a world-leading centre for translational cardiovascular research and the leading academic cardiac surgery centre in the UK. We specialise in preventing, predicting, ...

Alerts were analyzed by the International Board of Heart Rhythm Examiners–certified cardiac device ... Alerts were adjudicated as either true-positive (rhythm strip consistent with true arrhythmia and ...