|Indication||Appropriate Use Rating|
|17.||Syncope with or without palpitations and with no recent ECG||R (3)|
|18.||Syncope with no other symptoms or signs of cardiovascular disease, a benign family history, and a normal ECG||R (2)|
|19.||Syncope with abnormal ECG||A (7)|
|20.||Syncope with family history of channelopathy||M (5)|
|21.||Syncope with family history at a young age (before the age of 50 years) of sudden cardiac arrest or death and/or pacemaker or implantable defibrillator placement||A (9)|
|22.||Syncope with family history of cardiomyopathy||A (9)|
|23.||Probable neurocardiogenic (vasovagal) syncope||R (2)|
|24.||Unexplained pre-syncope||M (4)|
|25.||Exertional syncope||A (9)|
|26.||Unexplained post-exertional syncope||A (7)|
|27.||Syncope or pre-syncope with a known non-cardiovascular cause||R (2)|
The number in parenthesis next to the rating reflects the median score for that indication.
Abbreviations: A = Appropriate; M = May Be Appropriate; R = Rarely Appropriate; ECG = Electrocardiogram.