ECG	Electrocardiogram
RK4	Fourth-order Runge-Kutta
DAC	Digital-to-analog converter
OPAMP	Operational amplifier
SA	Sinoatrial
AV	Atrioventricular
HP	His–Purkinje
BVAM	Barrio–Varea–Aragon–Maini
VdP	Van der Pol
VdM	Van der Mark
MCU	Microcontrollers
GUI	Graphical user interface
USB	Universal serial bus
SPI	Serial peripheral interface
I2C	Inter-integrated circuit
USART	Universal synchronous and asynchronous serial receiver and transmitter
CAN	Controller area network
TFT LCD	Thin-film-transistor liquid-crystal display
DC	Direct current
SCK	Serial clock
MOSI	Master out slave in
MISO	Master in slave out
PCB	Printed circuit board