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| rowspan="2" |  
| rowspan="2" |  
| Right pulmonary artery diameter
| Right pulmonary artery diameter<sup>a</sup>
| align="center" | 17 ± 3
| align="center" | 17 ± 3
| align="center" | 12-22
| align="center" | 12-22
Line 58: Line 58:
| align="center" | 8-20
| align="center" | 8-20
|-
|-
| Right ventricular outflow tract diameter
| Right ventricular outflow tract diameter<sup>b</sup>
| align="center" | 27 ± 4
| align="center" | 27 ± 4
| align="center" | 16-36
| align="center" | 16-36


|-
|-
| rowspan="2" | Left atrium
| rowspan="2" | Left atrium<sup>c</sup>
| Anteroposterior diameter
| Anteroposterior diameter
| align="center" | 38 ± 6
| align="center" | 38 ± 6
Line 73: Line 73:


|-
|-
| rowspan="5" | Right atrium
| rowspan="5" | Right atrium<sup>c</sup>
| Anteroposterior diameter
| Anteroposterior diameter
| align="center" | 38 ± 5
| align="center" | 38 ± 5
Line 82: Line 82:
| align="center" | 29-53
| align="center" | 29-53
|-
|-
| Tricuspid annular diameter
| Tricuspid annular diameter<sup>c</sup>
| align="center" | 28 ± 5
| align="center" | 28 ± 5
| align="center" | 20-40
| align="center" | 20-40
|-
|-
| Mitral annular diameter
| Mitral annular diameter<sup>c</sup>
| align="center" | 29 ± 4
| align="center" | 29 ± 4
| align="center" | 20-38
| align="center" | 20-38
Line 95: Line 95:


|-
|-
| rowspan="5" | Left ventricle
| rowspan="5" | Left ventricle<sup>d</sup>
| Anteroposterior diameter (diastole)
| Anteroposterior diameter (diastole)
| align="center" | 43 ± 7
| align="center" | 43 ± 7
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| align="center" | 18-42
| align="center" | 18-42
|-
|-
| Aortic root diameter
| Aortic root diameter<sup>b</sup>
| align="center" | 28 ± 3
| align="center" | 28 ± 3
| align="center" | 21-34
| align="center" | 21-34
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| colspan="4" |
| colspan="4" |
<ul>
<ul>
<li><sup>a</sup> Right pulmonary artery diameter measured in midesophageal ascending aorta short-axis view.</li>
<li><sup>a</sup>Right pulmonary artery diameter measured in midesophageal ascending aorta short-axis view.</li>
<li><sup>b</sup> Aortic root and right ventricular outflow tract diameters measured in the midesophageal right ventricular inflow/outflow tract view.</li>
<li><sup>b</sup>Aortic root and right ventricular outflow tract diameters measured in the midesophageal right ventricular inflow/outflow tract view.</li>
<li><sup>c</sup> Atrial (end-systole) and both mitral and tricuspid annular (mid-diastole) diameters measured in the midesophageal four-chamber view.</li>
<li><sup>c</sup>Atrial (end-systole) and both mitral and tricuspid annular (mid-diastole) diameters measured in the midesophageal four-chamber view.</li>
<li><sup>d</sup> Left ventricular dimensions measured in transgastric mid short-axis view.</li>
<li><sup>d</sup>Left ventricular dimensions measured in transgastric mid short-axis view.</li>
<li>SD, standard deviation.</li>
<li>SD, standard deviation.</li>
<li>Adapted from Cohen G, White M, Sochowski R, et al. Reference values for normal transesophageal measurements. <em>J Am Soc Echocardiogr</em> 1995;8:221-230.</li>
<li>Adapted from Cohen G, White M, Sochowski R, et al. Reference values for normal transesophageal measurements. <em>J Am Soc Echocardiogr</em> 1995;8:221-230.</li>
</ul>
</ul>
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