<-- https://www.ahajournals.org/doi/10.1161/CIR.0000000000000893

This link references the AHA journal article that discusses all of the 2020 

​ACLS Guideline Updates

<--  https://www.ahajournals.org/doi/10.1161/CIR.0000000000000894

This link references the AHA journal article that discusses all of the 2020

PALS guideline updates

<-- https://www.ahajournals.org/journal/circ

This link will take you to the AHA journal where you can search published articles for free.

You can search articles back to 1950.

​​​<--   https://www.ahajournals.org/browse/circ?taxonomyUri=hwp-journal-coll&tagUri=10001

​In this section you will find multiple case studies with a variety of 12 lead ECG's for reference. 

Links to additional resources from the AHA