Figure 1 | Scientific Reports

Figure 1

From: Utility of a Smartphone Based System (cvrPhone) to Predict Short-term Arrhythmia Susceptibility

Figure 1

The smartphone-based repolarization alternans monitoring system. The Bluetooth-enabled ECG acquisition device is composed of three parts: An analog-to-digital (AD) converter, a microcontroller board, and a Bluetooth module. The AD converter amplifies and digitizes the signals from the ten electrodes on the torso, and the microcontroller transmits the signals to the smartphone through the Bluetooth module. Then, the smartphone calculates repolarization alternans indices for each lead in real-time.

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