This value set includes codes based on the following rules:

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

  Code	Display
  29450-4	Pulmonary Vein Systolic Peak Velocity
  29451-2	Pulmonary Vein Diastolic Peak Velocity
  8867-4	Heart rate
  29453-8	Pulmonary Vein Atrial Contraction Reversal Peak Velocity
  29452-0	Pulmonary Vein Systolic to Diastolic Ratio

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

  Code	Display
  399070007	Pulmonary Vein A-Wave Duration
  399267001	Pulmonary Vein S-Wave Velocity Time Integral
  399039004	Pulmonary Vein D-Wave Velocity Time Integral