A fascinating interactive laboratory in which simulations allow students to explore techniques of cardiac diagnosis and learn about cardiac structure/function. Excellent supporting information and resources for teachers and students.

Short video explains what cholesterol is, how it builds up in blood vessels, and other risk factors associated with heart disease.

Short video explains heart failure and its associated symptoms.

Short video explains the symptoms and types of angina pectoris.

Learn about the medical procedure percutaneous coronary intervention or coronary angioplasty, in this short animated video from the Mayo Clinic. (1 min, 8 sec)

Learn about two major heart problems that hypertension can cause. Rishi is a pediatric infectious disease physician and works at Khan Academy. [7:19]

Clarifies several medical terms related to heart disease. [7:52]

Clarifying difference between a thrombus and an embolus (and between thrombosis and embolism)

Basics of heart disease, heart attacks, heart failure, angina, and cardiac arrest. Special thanks to Edward J. Perper, MD for help in clarifying certain aspects of this video. [12:21]

A video [10:33] that explains what cardiomyopathy is, how it affects the heart.

Sal Khan clarifies several medical terms around heart disease. [7:52]

Learn about the heart condition ventricular tachycardia. [7:43]

This video adapted from 'The Hidden Epidemic: Heart Disease in America' examines the environmental factors that decades ago made heart disease the leading killer in America. While its root causes were unknown at that time, today...

A video [10:00] explaining how Eisenmenger syndrome is when blood in the heart shunts from right-to-left due to increased pressure in the right ventricle. This increased pressure is usually caused by extra blood flowing through the blood...

A video [13:38] explaining what coronary artery disease is and how it affects the body.

Should statin drugs be given as preventative medicine to help reduce heart problems?

A study suggests fat around the waistline poses the biggest risk for patients with heart disease.

A study links type O blood with a lower risk of heart disease--but not all docs agree.