A very nice book that will help you to master all knowledge needed for ACLS in almost every possible situation. It is in the form of Q&A which makes it more interesting. You can download the 6mb pdf document from either links below.
These are the recently released guidelines to help in decision making regarding coronary revascularization. They ilustrate 180 possible scenarios and help with appropriate decision in each. you can download the pdf file from here:
Here is a basic echocardiography course presented by some Indian university as a part of postgraduate diploma on cardiology. The resolution is not so good but acceptable. The videos is a very good start as I think. part 1
Here is an interesting article about the relation between COPD and cardiovascular risks. I think it may change your way of thinking when you dealing with COPD patients either with associated cardiovascular disease or not.