N.3.2 Aortic Valve
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### N.3.2 Aortic Valve

Name of ASE Concept | Base Measurement Concept Name | Concept or Acquisition Context Modifiers
--- | --- | ---
Aortic Valve Cusp Separation | (17996-0, LN, "Aortic Valve Cusp Separation") |
Aortic Valve Systolic Peak Velocity | (11726-7, LN, "Peak Velocity") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow")
Aortic Valve Systolic Velocity Time Integral | (20354-7, LN, "Velocity Time Integral") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow")
Aortic Valve Systolic Area | (G-038E, SRT, "Cardiovascular Orifice Area") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow")
Aortic Valve Planimetered Systolic Area | (G-038E, SRT, "Cardiovascular Orifice Area") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow") (G-C036, SRT, "Measurement Method") = (125220, DCM, "Planimetry")
Aortic Valve Systolic Area by Continuity | (G-038E, SRT, "Cardiovascular Orifice Area") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow") (G-C036, SRT, "Measurement Method") = (125212, DCM, "Continuity Equation")
Aortic Valve Systolic Area by Continuity of Peak Velocity | (G-038E, SRT, "Cardiovascular Orifice Area") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow") (G-C036, SRT, "Measurement Method") = (125214. DCM, "Continuity Equation Peak Velocity")
Aortic Valve Systolic Area by Continuity of Mean Velocity | (G-038E, SRT, "Cardiovascular Orifice Area") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow") (G-C036, SRT, "Measurement Method") = (125213. DCM, "Continuity Equation by Mean Velocity")
Aortic Valve Systolic Area by Continuity of VTI | (G-038E, SRT, "Cardiovascular Orifice Area") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow") (G-C036, SRT, "Measurement Method") = (125215, DCM, "Continuity Equation by Velocity Time Integral")
Aortic Valve Systolic Peak Instantaneous Gradient | (20247-3 LN, "Peak Gradient") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow")
Aortic Valve Systolic Mean Gradient | (20256-4, LN, "Mean Gradient") | (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow")
Aortic Annulus Systolic Diameter | (G-038F, SRT, "Cardiovascular Orifice Diameter") | (G-C0E3, SRT, "Finding Site") = (T-35410, SRT, "Aortic Valve Ring") (G-C048, SRT, "Direction of Flow") = (R-42047, SRT, "Antegrade Flow")
Aortic Valve Regurgitant Diastolic Deceleration Slope | (20216-8, LN, "Deceleration Slope") | (G-C048, SRT, "Direction of Flow") = (R-42E61, SRT, "Regurgitant Flow")
Aortic Valve Regurgitant Diastolic Deceleration Time | (20217-6, LN, "Deceleration Time") | (G-C048, SRT, "Direction of Flow") = (R-42E61, SRT, "Regurgitant Flow")
Aortic Valve Regurgitant Diastolic Pressure Half-time | (20280-4, LN, "Pressure Half-Time") | (G-C048, SRT, "Direction of Flow") = (R-42E61, SRT, "Regurgitant Flow")
Aortic Insufficiency, End-Diastolic Pressure Gradient | (20247-3, LN, "Peak Gradient") | (G-C048, SRT, "Direction of Flow") = (R-42E61, SRT, "Regurgitant Flow")
Aortic Insufficiency, End Diastolic Velocity | (11653-3, LN, "End Diastolic Velocity") | (G-C048, SRT, "Direction of Flow") = (R-42E61, SRT, "Regurgitant Flow")

### Note

Aortic Valve measurements appear in TID 5202 “Echo Section”, which specifies the Finding Site to be Aortic Valve with the concept modifier (G-C0E3, SRT, "Finding Site") = (T-35400, SRT, "Aortic Valve").Therefore, the Finding Site modifier does not appear in the right column.

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