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For correct placement of the Coala for chest ECG and heart
sound recordings, see diagram below. Hold the Coala between
your thumb and middle
fi
nger. Place the Coala slightly to the
left of your sternum (chest bone) as shown.
It is important that the Coala is held upright (COALA text
facing down). Press the heart button with your index
fi
nger
to start recording and hold Coala steady during the entire
recording. Try to relax and breathe normally. Avoid speaking
during measurement to ensure best recording quality.
