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.

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

  Code	Display
  59085-1	Pre-Ejection Period
  20222-6	Ejection Time
  59105-7	A-Wave Duration
  59108-1	Envelope Duration
  59121-4	Time to Peak by US
  59120-6	dP/dt by US
  59086-9	Heart Rate-Corrected Ejection Time
  59119-8	Filling Time
  59087-7	Heart Rate-Corrected Pre-Ejection Period
  59088-5	Pre-Ejection Period/Ejection Time Ratio
  59084-4	Isovolumic Contraction Time
  59082-8	Closure to Opening Time
  59083-6	Isovolumic Relaxation Time

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

  Code	Display
  75367002	Blood Pressure