The conveniently sized adhesive area of the 'M' means that the electrode can be placed accurately on all sizes...
The Ambu Blue Sensor N has been specially developed for children.
Small Blue Sensor Disposable ECG Electrodes.
C220 Cardiacare Stress Test Electrodes are pliable foam electrodes with extra strong adhesive.
ECG Vet Clips
4mm Plastic Alligator Clips