Table 4.
Two-dimensional echocardiographic parameters in four different RV pathologies
| Dimensions | ||||||
|---|---|---|---|---|---|---|
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| Case | RV pathology | RVEDb (mm) | RVEDm (mm) | RV length (mm) | Systolic PA pressure (mm Hg) | TR vena contracta |
| Normal | 38 ± 6 | 28 ± 6 | 72 ± 9 | NA | NA | |
|
| ||||||
| 1 | Chronic severe PR | 51 | 49 | 91 | 36 | 0.23 |
|
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| 2 | ASD | 63 | 48 | 108 | 58 | 0.52 |
|
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| 3 | PAH | 55 | 47 | 88 | 103 | 0.57 |
|
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| 4 | Heart failure | 49 | 42 | 89 | 62 | 0.52 |
NA, Not applicable; PA, pulmonary artery; PAH, pulmonary arterial hypertension; PR, pulmonary regurgitation; RVEDb, RV end-diastolic dimension at the base; RVEDm, RV end-diastolic dimension at the mid-level; TR, tricuspid regurgitation.