Sudden Cardiac Death

Question 1

Definition of SCD

Answer 1

Unexpected Death due to cardiac causes either without symptoms or within 24 hours of onset of symptoms

Question 2

Ultimate Mechanism of SCD

Answer 2

Severe Arrhythmias

Question 3

Most common cause of SCD

Answer 3

• 80-90% of Patients:
• *Severe Coronary A Stenosis (>75%)**

Question 4

Non-Atherosclerotic Causes of SCD

Answer 4

• 10-20% (younger patients):
• *1. Cardiomyopathies**

2. Myocardities

3. Sarcoidosis

4. Congenital Arterial Abnorm

5. AD long QT syndrome

CAM CS