The PRAETORIAN score
The PRAETORIAN score is a non-invasive method to evaluate the S-ICD implant position using routine post-implant bidirectional chest X-rays.
The steps in the score may be used to evaluate S-ICD position and implant technique on how to improve implantation technique.
Does the X-ray meet the criteria to apply the PRAETORIAN score?

Determine the number of coil widths of fat tissue between the nearest half of the coil and sternum or ribs.
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4
Determine the position of the generator in relation to the midline.
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4
Determine if there is more or less than 1 generator width of fat tissue between the nearest point of the generator and the thoracic wall.
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4
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Low risk
PRAETORIAN score
< 90 points
These patients have a low risk of conversion failure.
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