World Heart Federation criteria for diagnosis of RHD in patients ≤20 years old
Definite: either A, B, C or D | |
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Borderline: either A, B or C | |
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Pathological MR (all criteria must be met) | Pathological AR (all criteria must be met) |
Seen in two views | Seen in two views |
Jet length ≥2 cm (in at least one view) | Jet length ≥1 cm (in at least one view) |
Velocity ≥3 m/s for one complete envelope | Velocity ≥3 m/s for one complete envelope |
Pansystolic jet in at least one envelope | Pandiastolic jet in at least one envelope |
Morphological features of the mitral valve | Morphological features of the aortic valve |
Anterior leaflet thickening ≥3 mm | Irregular or focal thickening |
Chordal thickening | Coaptation defect |
Restricted leaflet motion | Restricted leaflet motion |
Excessive leaflet tip motion during systole | Prolapse |
AR, aortic regurgitation; ID, identification; MR, mitral regurgitation jet; PACS, picture archiving and communication system; RHD, rheumatic heart disease.