This value set includes codes based on the following rules:

• Include these codes as defined in http://loinc.org

  Code	Display
  59127-1	D-E Slope
  59103-2	A-C Interval
  59104-0	Peak E wave/Peak A wave by US
  59080-2	E-Wave Peak Velocity
  20256-4	Mean Gradient
  20354-7	Velocity Time Integral
  59081-0	A-Wave Peak Velocity
  17978-8	Mitral Valve A-Wave Peak Velocity
  11726-7	Peak Systolic Velocity
  59106-5	Stenosis Peak Gradient
  59107-3	Stenosis Peak Velocity
  18040-6	Mitral Valve E-F Slope by M-Mode
  33878-0	Volume Flow
  59102-4	Flow Radius
  8867-4	Heart rate
  11692-1	Time Averaged Peak Velocity
  11653-3	End Diastolic Velocity
  59115-6	Velocity of Flow Propagation
  20247-3	Peak Gradient
  18036-4	Mitral Valve EPSS, E wave
  18037-2	Mitral Valve E-Wave Peak Velocity
  18035-6	Mitral Regurgitation dP/dt derived from Mitral Reg. velocity
  59130-5	Alias velocity
  18038-0	Mitral Valve E to A Ratio
  18057-0	Mitral Valve Diastolic Peak Instantaneous Gradient
  20280-4	Pressure Half-Time
  59111-5	E Velocity to Annulus E Velocity Ratio
  34141-2	Peak Instantaneous Flow Rate
  20167-3	Acceleration Slope
  20216-8	Deceleration Slope
  20217-6	Deceleration Time
  20168-1	Acceleration Time
  12144-2	Systolic to Diastolic Velocity Ratio
  59128-9	E-F Slope
  59079-4	Peak Reversal Velocity during Atrial Contraction
  20352-1	Time Averaged Mean Velocity

• Include these codes as defined in http://snomed.info/sct

  Code	Display
  399229004	Mitral Valve A-Wave Duration
  54993008	Cardiac Index
  399104001	Mitral Valve Closure to Opening Time
  82799009	Cardiac Output
  399062002	Mitral Valve AT/DT Ratio
  399301000	Regurgitant Fraction
  399354002	Mitral Valve E-Wave Deceleration Time
  90096001	Stroke Volume
  399367004	Cardiovascular Orifice Area
  399027007	Cardiovascular Orifice Diameter
  277381004	Stroke Index