Yes, the EKG one is where they put electrodes on your chest to get information about the impulses from your heart.
The EEG is very similar, but gives information about the electrical impulses from your brain.
I wish I could give you information about the costs, but I live in a different country to you so unfortunately I can't.
Hopefully some-one else will come along soon with more information that I can give.
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Eastern Australian Daylight Savings Time
and
my temperature
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