Diagnostic accuracy of a single-lead portable ECG device for measuring QTc prolongation.
Charlotte L BekkerFauve NoordergraafSteven TeerenstraGheorghe PopBart J F van den BemtPublished in: Annals of noninvasive electrocardiology : the official journal of the International Society for Holter and Noninvasive Electrocardiology, Inc (2019)
In conclusion, the Heartcheck single-lead ECG device is not accurate for measuring QTc-intervals.