Research Article
Rheumatic Heart Disease in Kerala: A Vanishing Entity? An Echo Doppler Study in 5–15-Years-Old School Children
Table 3
Rheumatic heart disease classified according to World Heart Federation criteria.
| | RHD category | WHF criteria | |
| | Definite RHD | 6 |
| | Definite RHD (A) | Pathological MR and at least two morphological features of RHD of the MV | 5 |
| | Definite RHD (B) | MS mean gradient 4 mmHg | 0 |
| | Definite RHD (C) | Pathological AR and at least two morphological features of RHD of the AV | 1 |
| | Definite RHD (D) | Borderline disease of both the AV and MV | 0 |
| | Borderline RHD | 6 |
| | Borderline RHD (A) | At least two morphological features of RHD of the MV without pathological MR or MS | 6 |
| | Borderline RHD (B) | Pathological MR | 0 |
| | Borderline RHD (C) | Pathological AR | 0 |
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