| Holter monitor |
Continuous recording for 1–14 days Symptom rhythm correlation with patient diary. |
| Event monitor (Patient-activated transtelephonic monitor) |
Transmits patient activated data via a telephone line to a remote monitoring station. |
| External loop recorder (Patient or auto triggered) |
Continuously records and stores rhythm data over weeks to months. Triggered events provide recording before, during, and after events. |
| External patch recorders |
An adhesive applied to the chest that records for 2–14 days. Provides only a single lead recording as compared to a Holter monitor or external loop recorder. |
| Mobile cardiac outpatient telemetry |
A wearable monitor that records and transmits data automatically to a central monitoring station that is attended 24 h per day by trained technicians. |
| Implantable subcutaneous cardiac rhythm monitor |
Subcutaneously implanted device that provides recording of patient triggered or auto triggered events over the course of approximately 3 years. |
| Smartphone/ Mobile digital -based system |
Can record a single lead rhythm strip when activated by patient. |