What is arrhythmic right ventricular dysplasia?
ARVD is a rare type of cardiomyopathy that occurs if the muscle tissue in the right ventricle dies and is replaced by scar tissue:
This process disrupts the heart's electrical system causing arrhythmias.
It usually affects teens and young adults.
Symptoms include heart palpitations and fainting after physical activity.
It can cause sudden cardiac arrest in young athletes.