The ILR is a useful diagnostic tool when patients experience symptoms such as syncope (fainting), seizures, recurrent palpitations, lightheadedness, or dizziness regularly but not often enough to be captured by a 24-hour or 30-day external monitor. Because of the ILR's long battery life (up to 3 years), the heart can be monitored for an extended period. New devices are able to store a total of 60 minutes of recordings on their memory. Thirty minutes is reserved for automatic storage of arrhythmias according preprogrammed criteria. The remaining 30 minutes can be divided into a selectable number of slots for storage of manually triggered retrograde recordings as an answer to symptoms (fainting, palpitations etc) which may be caused by an arrhythmia.
Implantable loop recorder
Transcutaneous pacing
Heart rate monitor
Cardiac pacemaker
Automated external defibrillator
Microcurrent electrical neuromuscular stimulator
Biological pacemaker
Holter monitor