European Cardiology Society Guidelines, state that such single-lead devices as SnapECG can be used for diagnosis purposes as much as the regular hospital-level 12-lead ECG screening devices used by doctors.

However, when heart health monitoring is done by a screening tool, including mobile or wearable devices, a single-lead ECG tracing of ≥30 s or 12-lead ECG it is crucial to show results to a medical expert to gain professional ECG rhythm interpretation to a definitive diagnosis. It is also important to evaluate how heart condition has changed and change a patient’s treatment plan accordingly.