1. 12.3 Circulatory System Disorders

2. Arteriosclerosis Affects the arteries Symptoms walls thicken
loose elasticity
plaque builds up
Symptoms
chest pain
shortness of breath
heart attack
blood clots 2

3. Heart Valve Disease Affects heart valves Causes: Effect: ageing
damage from heart attack
infection
Effect:
back flow (regurgitation)
stenosis (narrowing) 3

4. Pericarditis Area: Pericardium (layer that surrounds the heart)
Description: Inflammation of the pericardium
Causes: viral or bacteria infection
Effect: Puts pressure on the heart - can lead to heart attack 4

5. Cardiomyopathy Area affected: Septum and Ventricle walls
Description: Heart muscle increases, disrupting the electrical activity, making it difficult to pump blood.
Asymptomatic
Death 5