Lesson Plans: THE SPARK OF LIFE
About.com -- Heart Disease
A full explanation of how an ECG.
A library of different ECG patterns associated with different types of heart disease.
Habits of the Heart: Lessons: Heart Diagram
A blank diagram of the heart, ready to be labelled.
Heart Diseases and Disorders -- Heart Rhythm Society
The Heart Rythm society describes a variety of electrical, circulatory, and structural heart disorders.
Heart Rhythm Disorders
A full look at heart rhythm disorders.
Image: Diagram of the Human Heart
A fully labelled diagram of the heart.
Long QT Syndrome -- Mayo Clinic
This page provides an explanation of Long QT syndrom, which leaves one vulnerable to fast, chaotic heartbeats that may lead to fainting -- and in some cases, cardiac arrest and possibly sudden death.
Long QT Syndrome -- American Heart Association
The AAH's page on Long WT syndrome.
Medline Plus -- Heart Disorders
A comprehensive overview of different types of heart disease.
NOVA Online -- Treating a Sick Heart
The NOVA program on different types of risks associated with heart failure and their treatment.
SADS: Heart Function -- How the Heart Works
How the heart works, and how it can cause sudden death.
The Whole ECG -- A Really Basic ECG Primer
Full instructions on how to read an ECG and identify patterns in the heart's electrical activity.