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*Approved for 1.0 CE credit from the American Society of Radiologic Technologists


This presentation will cover the liver duplex examination. We will discuss normal and abnormal sonographic appearance of the liver. Etiology and causes of portal hypertension (PHTN) and its effects on liver disease and hemodynamics will also be discussed. Finally, we will analyze both normal and abnormal color Doppler and spectral Doppler waveforms.

Learning Objectives:

  • Understand the sonographic appearance of normal and abnormal liver
  • Discuss the hemodynamics of liver disease, specifically Portal Hypertension
    • Describe normal and abnormal waveform patterns
  • Describe the etiology of Portal Hypertension

Featured Speaker

Matthew J. Ryan, MSHA RDMS RVT RT(R)
Clinical Coordinator, Aurora St. Luke's School of Diagnostic Medical Sonography

Matthew Ryan began his career as a radiographer before transitioning primarily into the sonography field. He currently serves as the Clinical Coordinator at Aurora St. Luke's School of Diagnostic Medical Sonography.

Matthew is passionate about keeping up to date with the latest developments in the sonography field and ensuring that the current and next generation of imaging professionals are equipped with this knowledge. It's this dedication to education that has led Matthew to continue teaching ultrasound courses to students at Aurora St. Luke's as well as the Medical Technology Management Institute.

In addition to Matthew's work in higher education, he is a Vascular Specialist at Wheaton Franciscan Healthcare and is highly active in the Society of Diagnostic Medical Sonography (SDMS). He is currently a member of the SDMS's Membership Awards and Recognition Committee and is part of a work group that's developing testing recertification modules for the American Registry of Radiologic Technology.