12 leads dynamic electoocariogram

A-B(Apex-Base)leads

an excess of yin leads to deficiency of yang

augmented unipolar leads

beret pieces double leads girder

bipolar leads

Chest leads

Chest-limb leads

deep leads

indirect leads

Inferior wall leads

Leads mesuring

Leads of electronic component

leads selection

Leads V3R～V6R

left leads

multi leads ECG

natural leads

posterior chest leads