Za EKG je super knjiga ''The only EKG book you'll ever need'' (ja, dejansko piše EKG in ne ECG.....go figure... :-S ;-P )
Pa še en ppt. in ECG Course iz interneta (iz naslednjih 2 naslovov:
1. http://www.slideshare.net/wdyong/ecgpedia-ecg-presentation
2. https://meds.queensu.ca/central/assets/modules/ECG/normal_ecg.html )