Sudden Death Syndrome (SDS) is an umbrella term used for the many different causes of cardiac arrest in young people.  CRY provides medical information on the most common causes of unexpected sudden cardiac death sometimes referred to as SADS in the young (under 35)

In the UK unexplained sudden death is frequently recorded as due to death from natural causes. Until the law is changed and coroners have to refer hearts on to specialists we will not know the true figures.

• Hypertrophic Cardiomyopathy (HCM)

• Arrhythmogenic Right Ventricular Cardiomyopathy (ARVC) 

• Dilated Cardiomyopathy (DCM)  

• Restrictive Cardiomyopathy (RCM)

• Myocarditis

• Coronary Artery Disease (CAD)

• Ion Channelopathies - Long QT (inc. Jervell and Lange-Nielsen Sydrome & Romano-Ward syndrome), Brugada, Lev-Lenegre's Syndrome

• Wolff (Wolfe) Parkinson White Syndrome (WPW)

• Coronary Artery Anomalies (CAAs)

• Marfan Syndrome

• Other cardiac conditions - Endocardial Fibroelastosis (EFE), Tachycardia, Antibiotic Prophylaxis, Churg-Strauss Syndrome, Right Bundle Branch Block (RBBB), Kawasaki Disease, Patent Foramen Ovale (PFO)

See also:

Watch CRY Patron David Walliams have an ECG test

CRY gives special thanks to the following people for providing / reviewing this medical information:

• Dr Elijah R Behr

• Dr Sabiha Gati

• Dr Saqib Ghani

• Dr Martina Muggenthaler

• Dr Michael Papadakis

• Dr Hariharan Raju

• Professor Sanjay Sharma

• Dr Nabeel Sheikh

• Dr Abbas Zaidi