It can be tested with something called an ecg simulator.
An ECG or EKG machine is a machine that allows the heart to be studied.The machine records the electrical activity with in the heart.ECG means Electyocardiograph
If the ECG machine malfunctions you will need to redo the test. You can try unplugging the machine and replugging it to see if that resets the system.
washing machine works based on the centrifugation principle....... hope i answered correctly
ELECTROCARDIOGRAPH
An ECG (Electrocardiogram) tells us how the electrical activity of the heart is working.
An ECG (Electrocardiography) machine.
an ecg machine
LEAD DISPLACEMENT
Willem Einthoven Invented the accurate ECG using Strings Galvonometer, but Alexander Muirhead made the first prototype.
well to do it correctly you have to have a sterilization machine
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An ECG (Electrocardiogram), or an EKG (Elektrokardiogramm) works by measuring electrical potential between various points of the body using a galvanometer (a very sensitive voltage meter). -DJ Craig