Introduction to OB Sonography: The First Trimester

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1.75 AMA PRA Category 1 Credit(s)™
Date of Original Release: 12/9/2015
This edition valid for credit through: 12/9/2018
Video Length: 1:16:00

Product Codes:
Online Video: OV-OB1
ISBN: 978-1-940954-67-7

Introduction to OB Sonography: The First Trimester

This ultrasound training video provides a comprehensive review of embryology of pregnancy, indications for the study, normal findings, measurements and values for a 1st trimester study and abnormal findings.

  • Embryology
  • Biochemistry
  • Indications for Study
  • Gestational Sac
  • Yolk Sac
  • Embryo
  • Age Determination
  • Multiples
  • Amnionicity and chorionicity
  • Placenta
  • CRL
  • Landmarks
  • Heart Rate
  • Bleeding
  • Ectopic
  • Complications
  • Hydatidiform Mole
  • Abnormal/Absent Sac


  • Embryology
  • Biochemistry
  • Indications for study
  • Gestational sac
  • Yolk sac
  • Embryo
  • Age determination
  • Multiples
  • Amnionicity  and chorionicity
  • Placenta
  • CRL
  • Landmarks
  • Heart rate
  • Bleeding
  • Ectopic
  • Complications
  • Hydatidiform  mole
  • Abnormal/absent sac

Upon completion of this enduring material, you should be able to accomplish the following:

  • Increase knowledge/competence to better perform and/or interpret first trimester OB sonography
  • Identify the presence or absence of the gestational sac
  • Differentiate between extra uterine or intrauterine embryo
  • Identify the fetal number
  • Identify the presence or absence of cardiac activity
  • State the accurate length of the crown rump for gestational age

Target Audience

Sonographers, physicians, nurse practitioners, PA’s and other medical professionals involved with First trimester OB ultrasound examinations. Physicians may include (but are not limited to) those involved with: OB-GYN, family medicine, internal medicine, emergency medicine and radiology.

Course Instructors

GulfCoast Ultrasound Institute

Salvatore LaRusso  M.Ed. RDMS, RT(R)

Senior Instructor Radiology.
Chief Sonographer.
Penn State Children's Hospital.
Hershey PA.
No relevant financial relationships to disclose.

Faculty & Content Disclosures...
Faculty Disclosure
Gulfcoast Ultrasound Institute, Inc. adheres to ACCME Essential Areas, Standards, and Policies regarding industry support of CME. Speakers will disclose any relevant commercial relationships prior to the start of the educational activity.

Content Validation
All presentations for this CME activity were reviewed and approved by members of the GUI CME Review Committee to determine content validity and to ensure that no conflicts of interest exist prior to the activity commencement or material compilation.

Disclosure of Individuals in Control of Content
In addition to the faculty listed the following individuals are recognized by GUI as being in control of content of this program:

James Mateer, MD, RDMS (Medical Director-planner, QI Task Force)
Medical Director, Gulfcoast Ultrasound Institute
No relevant financial relationships to disclose.

Andreas Dewitz, MD, RDMS(Member of Advisory Board, QI Task Force Subcommittee)
Associate Professor of Emergency Medicine
Vice Chair of Ultrasound Education
Boston Medical Center
Boston, MA
No relevant financial relationships to disclose

Lori Green, BA, RT, RDMS, RDCS, RVT (Program Director/planner and reviewer, QI Task Force)
President, Gulfcoast Ultrasound Institute, Inc.
No relevant financial relationships to disclose

Brian Schenker, MBA, RDMS, RVT (Program Coordinator/planner and reviewer, QI Task Force)
Program Coordinator, Gulfcoast Ultrasound Institute, Inc.
No relevant financial relationships to disclose

Disclosure of Commercial Support
There was no commercial support involved in the planning, development/implementation of this activity.

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Accreditation Statement

The Gulfcoast Ultrasound Institute is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians.

The Gulfcoast Ultrasound Institute designates this enduring material for a maximum of 1.75 AMA PRA Category 1 Credit(s)™. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

This course also meets CME/CEU requirements for ARDMS. Note: While offering the CME credit hours noted above, activities are not intended to provide extensive training or certification for exam performance or interpretation.

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