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Isovolumic Relaxation Time
to calculate an IVRT.
1: Obtain ME 3CV. In PWD mode, place the sample
volume at the junction of the Left Ventricular Inflow
(LVI) and Left Ventricular Outflow (LVO). The
PWD flow profile will show an ejection flow profile
and an inflow flow profile. The time between
the LVI flow profile and the LVO flow profile is the
time the ventricle is isovolumic relaxing. The
time period of relaxation is related to diastolic
dysfunction and LAP.
This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education through the joint providership of University of Nebraska Medical Center, Center for Continuing Education and JLS Interactive, LLC.
The University of Nebraska Medical Center, Center for Continuing Education is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians.
This activity is approved by the American Society of Radiologic Technologists (ASRT) as sonography-related continuing education (CE). Credit(s) issued for successful completion of ASRT-approved CE activities are accepted by the American Registry of Diagnostic Medical Sonography, American Registry of Radiological Technologists, Cardiovascular Credentialing International and Canadian Association of Registered Diagnostic Ultrasound Professionals. Contact the applicable registry for additional information / restrictions on their acceptance of ASRT CE credit.