Items | Definition |
---|---|
Nasopharyngeal volume (Na-V) | Nasopharynx volume, calculated by simulation |
Nasopharyngeal height (Na-H) | The linear distance between the upper and lower boundaries of the nasopharynx |
Nasopharyngeal average cross-sectional area (Na-CSAavg) | Ratio of the nasopharyngeal volume to its height |
Velopharyngeal volume (Ve-V) | Velopharyngeal volume, calculated by simulation |
Minimum velopharyngeal cross-sectional area (Ve-CSAmin) | The minimum cross-sectional area of the palatopharyngeal segment, identified and calculated automatically |
Anteroposterior velopharyngeal diameter (Ve-AP) | Anterior–posterior distance at the minimum cross-section of the velopharyngeal segment |
Lateral velopharyngeal diameter (Ve-LAT) | Lateral-medial distance at the minimum cross-section of the velopharyngeal segment |
Velopharyngeal height (Ve-H) | Distance between the upper and lower boundaries of the velopharyngeal segment |
Velopharyngeal average cross-sectional area (Ve-CSAavg) | Ratio of the velopharyngeal volume to its height |
Glossopharyngeal volume (Gl-V) | Glossopharyngeal volume, calculated automatically by the system |
Glossopharyngeal minimum cross-sectional area (Gl-CSAmin) | The minimum cross-sectional area of the glossopharyngeal segment, identified and calculated automatically |
Anteroposterior glossopharyngeal diameter (Gl-AP) | Anterior–posterior distance at the minimum cross-section of glossopharyngeal segment |
Lateral glossopharyngeal diameter (Gl-LAT) | Lateral-medial distance at the minimum cross-section of glossopharyngeal segment |
Glossopharyngeal height (Gl-H) | The linear distance between the upper and lower boundaries of the glossopharyngeal segment |
Laryngopharynx volume (La-V) | Laryngopharynx volume, calculated by simulation |
Minimum laryngopharynx cross-sectional area (La-CSAmin) | The minimum cross-sectional area of the laryngopharynx segment, identified and calculated automatically |
Anteroposterior laryngopharynx diameter (La-AP) | Anterior–posterior distance at the minimum cross-section of the laryngopharyngeal segment |
Lateral laryngopharynx diameter (La-LAT) | Lateral-medial distance at the minimum cross-section of the laryngopharyngeal segment |
Laryngopharynx height (La-H) | The linear distance between the upper and lower boundaries of the laryngopharyngeal segment |
Laryngopharynx average cross-sectional area (La-CSAavg) | Ratio of the laryngopharynx volume to its height |
Total volume of the upper airway (T-V) | Sum of the volumes of the upper airway segments |
Total height of the upper airway (T-H) | Sum of the heights of the upper airway segments |
Average cross-sectional area of the upper airway (T-CSAavg) | Ratio of the total volume of the upper airway to its total height |