|Indication||Appropriate Use Rating|
|49.||Known channelopathy||M (4)|
|50.||Genotype positive for cardiomyopathy||A (9)|
|51.||Abnormal chest X-ray findings suggestive of cardiovascular disease||A (9)|
|52.||Abnormal ECG without symptoms||A (7)|
|53.||Desaturation based on pulse oximetry||A (9)|
|54.||Previously normal echocardiogram with no change in cardiovascular status or family history||R (1)|
|55.||Previously normal echocardiogram with a change in cardiovascular status and/or a new family history suggestive of heritable heart disease||A (7)|
|56.||Elevated anti-streptolysin O titers without suspicion for rheumatic fever||R (3)|
|57.||Chromosomal abnormality known to be associated with cardiovascular disease||A (9)|
|58.||Chromosomal abnormality with undefined risk for cardiovascular disease||M (5)|
|59.||Positive blood cultures suggestive of infective endocarditis||A (9)|
|60.||Abnormal cardiac biomarkers||A (9)|
|61.||Abnormal barium swallow or bronchoscopy suggesting vascular ring||A (7)|
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.