Key result
A comparative review of external cardiac loop recorder components provides design choices for creating a cost-effective, low-power device suitable for developing countries like India.
Systematic Review
This review provides an engineering perspective on designing cost-effective external cardiac loop recorders to improve accessibility for long-term ECG monitoring in developing countries.
May enable affordable long-term ECG monitoring in rural India; extends engineering guidance for compact, low-power ELR design.
External cardiac loop recorder (ELR) is a kind of ECG monitoring system that records cardiac activities of a subject continuously for a long time. When the heart palpitations are not the frequent and nonspecific character, it is difficult to diagnose the disease. In such a case, ELR is used for long-term monitoring of heart signal of the patient. But the cost of ELR is very high. Therefore, it is not prominently available in developing countries like India. Since the design of ELR includes the ECG electrodes, instrumentation amplifier, analog to digital converter, and signal processing unit, a comparative review of each part of the ELR is presented in this paper in order to design a cost effective, low power, and compact kind of ELR. This review will also give different choices available for selecting and designing each part of the ELR system. Finally, the review will suggest the better choice for designing a cost effective external cardiac loop recorder that helps to make it available even for rural people in India.
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Srinivasulu et al. (2016) conducted a systematic review in Heart palpitations. External cardiac loop recorder (ELR) was evaluated. A comparative review of external cardiac loop recorder components provides design choices for creating a cost-effective, low-power device suitable for developing countries like India.
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