Heart beat frequency on the screen of electrocardiogram machine in close-up. EKG or ECG heart rate flatline
Palabras clave
heart rate,
cardiogram,
cardiogram,
heartbeat,
waveform,
closeup,
cardio,
stress,
nubes,
pulse,
cardiograph,
heartbeat,
health care,
cardiogram,
loop,
oscilloscope,
hospital,
cardiac,
monitor,
medicals,
cardiology,
science,
medical equipment,
graph,
cardiogram,
first aid,
fear,
physical activity
