: Sites like SOFIA (Medicalistes.fr) offer multi-part PDF series specifically titled "L'ECG pour les nuls" by Yannick Gottwalles.
: Understanding the standard placement of electrodes to capture 12 or 18 different views of the heart. Download ecg pour les nuls pdf
Several digital platforms offer versions of this guide or related instructional materials for free or via subscription: : Sites like SOFIA (Medicalistes