Echocardiography Basics explained by video

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

part 2

part 3

part4

The way you think about COPD may change after you read this

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.

Impact of Cancers and Cardiovascular Diseases in Chronic Obstructive Pulmonary Disease CME