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Amplatzer PFO Occluder Sizing Recommendations
| Shortest Distance From Defect to Aortic Root, or Distance From Defect to Superior Vena Cava Orifice | Suggested Amplatzer PFO Occluder Size |
|---|---|
| ≥17.5 mm | 35 mm |
| 12.5 to 17.4 mm | 25 mm |
| 9 to 12.4 mm | 18 mm |
| <9 mm | Do not implant device |
