Cardiology

Heart disease is the biggest cause of adult death in the western world.

Cardiology is the branch of medicine that deals with the heart, particularly its structure and function, and the diagnosis and treatment of heart disease.

The following pages explain how the heart works, diseases and symptoms, heart rhythm abnormalities, and the use of the electrocardiogram.

The Heart — detailed information on its structure, blood flow, and electrical conduction system.
Symptoms of Heart Disease — a review of symptoms that may indicate the presence of heart disease.
Diagnosing Heart Disease — different tests that doctors and cardiologists use to identify and monitor heart disease.
Introduction to the ECG — understanding the normal electrocardiogram and looking at the different waveforms and durations of the heartbeat.
Rhythms and Arrhythmia — how to recognise and interpret the more common abnormalities seen on the ECG.