May 22, 2012 (Kuopio, Finland) — Results of a new study published online May 21, 2012 in Circulation show that even a moderately prolonged QRS duration may suggest heightened risk for sudden ...

PR interval prolongation was also found to be specific for hyperkalemia (0.94) and had a high positive predictive value (0.91), as well (area under the receiver operating characteristic curve, 0. ...

July 11, 2012 (Cleveland, Ohio) — Electrocardiographic criteria for predicting a good response to cardiac resynchronization therapy (CRT) have long focused on QRS interval duration, but only ...