This value set includes codes based on the following rules:

• Include these codes as defined in http://dicom.nema.org/resources/ontology/DCM

  Code	Display	Definition
  109072	Tau	The time constant of isovolumic pressure fall.
  109071	Indicator mean transit time	Time for a median particle to travel from point of injection to point of detection.
  122182	R-R interval	Time interval between ECG R-wave peaks in subsequent cardiac cycles.
  122207	Blood velocity, peak	Blood velocity, peak.
  122205	Blood velocity, mean	Blood velocity, mean.
  122206	Blood velocity, minimum	Blood velocity, minimum.
  122203	Systolic blood velocity, mean	Systolic blood velocity, mean.
  122204	Systolic blood velocity, peak	Systolic blood velocity, peak.
  122201	Diastolic blood velocity, mean	Diastolic blood velocity, mean.
  122202	Diastolic blood velocity, peak	Diastolic blood velocity, peak.

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

  Code	Display
  59127-1	D-E Slope
  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
  59106-5	Stenosis Peak Gradient
  59108-1	Envelope Duration
  33878-0	Volume Flow
  59121-4	Time to Peak by US
  59102-4	Flow Radius
  59086-9	Heart Rate-Corrected Ejection Time
  8867-4	Heart rate
  59088-5	Pre-Ejection Period/Ejection Time Ratio
  11653-3	End Diastolic Velocity
  59084-4	Isovolumic Contraction Time
  59082-8	Closure to Opening Time
  59114-9	Pulm Vein A duration to MV A duration difference
  20247-3	Peak Gradient
  20222-6	Ejection Time
  59112-3	Pulmonary Vein A Duration Mitral Valve A Duration Ratio
  34141-2	Peak Instantaneous Flow Rate
  20217-6	Deceleration Time
  20168-1	Acceleration Time
  59128-9	E-F Slope
  59079-4	Peak Reversal Velocity during Atrial Contraction
  59103-2	A-C Interval
  59085-1	Pre-Ejection Period
  59081-0	A-Wave Peak Velocity
  59105-7	A-Wave Duration
  11726-7	Peak Systolic Velocity
  59107-3	Stenosis Peak Velocity
  59120-6	dP/dt by US
  11692-1	Time Averaged Peak Velocity
  59119-8	Filling Time
  59087-7	Heart Rate-Corrected Pre-Ejection Period
  59083-6	Isovolumic Relaxation Time
  59115-6	Velocity of Flow Propagation
  59130-5	Alias velocity
  59113-1	Pulmonary Vein A VTI to Mitral Valve VTI Ratio
  20280-4	Pressure Half-Time
  59111-5	E Velocity to Annulus E Velocity Ratio
  20167-3	Acceleration Slope
  20216-8	Deceleration Slope
  12144-2	Systolic to Diastolic Velocity Ratio
  20352-1	Time Averaged Mean Velocity

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

  Code	Display
  399027007	Cardiovascular Orifice Diameter
  75367002	Blood Pressure
  399301000	Regurgitant Fraction
  399367004	Cardiovascular Orifice Area