The technical challenge here is to discriminate the 1 mV signal from the roughly 300 mV ... willing to hook up more electrodes, and a medical ECG has twelve signals measured from ten electrodes ...

The ECG findings of an acute anterior myocardial ... at the J point in at least two contiguous leads of ≥ 2 mm (0.2 mV) in men or 1.5 mm (0.15 mV) in women in leads V2-V3 and/or of ≥ 1 mm ...

1 The majority of disorders associated with increased risk of sudden cardiac death (SCD), such as cardiomyopathies and primary electrical diseases, are suggested by abnormal findings present on an ECG ...