| Left atrial volume: (0.85 × area 1 (2 chamber) × area 2 (4 chamber)) ÷ shortest LA long axis length: |
| 0.85 × 14.7 × 14.4 ÷ 4.4 = 40.8 mL. LAVi = 21.4 mL/m2 |
| Right atrial volume: (0.85 × (RA 4 chamber area)2) ÷ RA long axis length: |
| 0.85 × (16.1) 2) ÷ 4.2 = 52.45 mL. RAVi: 27.6 mL/m2 |
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