<unk> <unk><unk>  is an autosomal dominant inherited disease, and having a family member with the disase places an individual at risk for the disease.  Family members of affected individuals should therefore be screened.  New onset lone atrial fibrillation may be a marker of the disease, and young patients with lone atrial fibrillation should be screened as well.
Short QT syndrome risk factors
AVNRT risk factors
Atrial flutter risk factors
Ventricular fibrillation risk factors
Second degree AV block laboratory findings
Noonan syndrome ECG findings
Stress cardiomyopathy risk factors
Supraventricular tachycardia risk factors