A metronome, which is an item carried by paramedics, can be included in some devices to help a rescuer keep track of the correct rate. They can also provide reminders for performing various tasks, such as ventilating and compressions.
A metronome, which is an item carried by paramedics, can be included in some devices to help a rescuer keep track of the correct rate. They can also provide reminders for performing various tasks, such as ventilating and compressions.