http://www.onlinejase.com/article/S0894-7317(15)00728-2/abstract
Chicago ultrasound
Quantitative Dobutamine Stress Echocardiography Using Speckle-Tracking Analysis versus Conventional Visual Analysis for Detection of Significant Coronary Artery Disease after ST-Segment Elevation Myocardial Infarction – Journal of the American Society of Echocardiography
Bystander CPR on kids increasing, survival odds improve for some – News on Heart.org
Just one energy drink may boost heart disease risk in young adults – News on Heart.org
Echocardiogram – Leak in aortic valve prosthesis” on YouTube
Chicago's Mobile Ultrasound and Echo Service 