Stop the Clot®: What Every Healthcare Professional Should Know Self-Study

This is a web-based training course. The overall purpose of this training is to improve health outcomes for patients diagnosed with thrombosis and/or thrombophilia and to prevent secondary complications of blood clots to improve the content and delivery of health information/education by nurses and other non-physician providers.

Returning participants click here to continue the course.

Please read the details below before starting the course.

This training was developed by the National Blood Clot Alliance.

  •  Origination Date: June 25, 2010
  •  Renewal Date: June 25, 2012
  •  Expiration Date: June 25, 2014
  •  Cost: Continuing education is available at no charge.

Course Objectives

After completing this course you will be able to:

  1. Identify signs and symptoms of clots, including deep vein thrombosis (DVT) and pulmonary embolism (PE).
  2. Identify patient-specific risk factors for DVTs/clotting.
  3. Provide appropriate education, treatment, and management to reduce the risk of clot recurrence and secondary complications.

Note: This training focuses on venous blood clots in adults, rather than arterial blood clots or venous clots in children.

Target Audience

This series of five lessons is intended for the following healthcare professionals:

  • Registered nurses
  • Nurse practitioners
  • Pharmacists
  • Physician assistants

This training will help these professionals become more confident and knowledgeable in working with patients with thrombosis or thrombophilia.


The Centers for Disease Control and Prevention is accredited by the Accreditation Council for Continuing Medical Education (ACCME®) to provide continuing medical education for physicians. The Centers for Disease Control and Prevention designates this educational activity for a maximum of 3.5 AMA PRA Category 1 Credits™. Physicians should only claim credit commensurate with the extent of their participation in the activity.

Continuing Education designated for Non-Physicians:

Non-physicians will receive a certificate of participation.


The Centers for Disease Control and Prevention is accredited as a provider of Continuing Nursing Education by the American Nurses Credentialing Center’s Commission on Accreditation.

This activity provides 3.2 contact hours.


The CDC has been approved as an Authorized Provider by the International Association for Continuing Education and Training (IACET), 1760 Old Meadow Road, Suite 500, McLean, VA 22102. The CDC is authorized by IACET to offer 0.3 ANSI/IACET CEU’s for this program.


The Centers for Disease Control and Prevention is accredited by the Accreditation Council for Pharmacy Education as a provider of continuing pharmacy education.

This program is a designated event for pharmacists to receive 3.5 CEUs in pharmacy education. The Universal Activity Number is 0387-9999-12-137-H01-P. Course Category: This activity has been designated as Knowledge-Based.

To obtain continuing education credit/contact hours, go to CDC/ATSDR Training and Continuing Education Online after completing the content of this module and register for course WB 1657 (Self-Study Online Module—Stop the Clot®: What Every Healthcare Professional Should Know.). You will be required to complete a post-test in order to obtain the credit or contact hours.

Disclosure Statement

CDC, our planners, and our content experts wish to disclose they have no financial interests or other relationships with the manufacturers of commercial products, suppliers of commercial services, or commercial supporters with the exception of Dr. Moll and he wishes to disclose that he has received honoraria from GTC Biotherapeutics, Lundbeck, Talecris and Bayer/OrthoMcNeil. Dr. Moll has also received research support from ITC, Roche Diagnostics and Hemosense. Presentations will not include any discussion of the unlabeled use of a product or a product under investigational use. There was no commercial support provided for this activity.

Course Developers

Stop the Clot®: What Every Healthcare Professional Should Know module was developed for the web by:

  • Brenda Riske, RN MS MBA MPA, University of Colorado Denver/Hemophilia & Thrombosis Center (Chair)
  • Mary Lou Damiano, RN MEd, Arizona Hemophilia & Thrombosis Center
  • Laura Earl, RN BSN CACP. University of New Mexico Hospitals Anticoagulation Services
  • Kathleen McCool, PharmD BCPS CACP, Kaiser Permanente Health Sciences Center
  • Skye Peltier, MPH PA-C, Children’s Hospitals and Clinics of Minnesota
  • Elizabeth Varga, MS CGC, Nationwide Children’s Hospital/
  • Diane Wirth, ANP-BC CACP, Grady Health System
  • Stephan Moll, MD, University of North Carolina Thrombophilia Program
  • Catherine B. Tencza, MS, Instructional Designer, Tencza Designs


National Blood Clot Alliance acknowledges the guidance and support of Sara Critchley, RN MS, of the Centers for Disease Control and Prevention (CDC), and Mary Ellen McCann, RN MA, Director, Health Learning & Marketing at National Blood Clot Alliance, and Alan Brownstein, MPH, CEO of National Blood Clot Alliance.

National Blood Clot Alliance appreciates the ongoing support of its Board, as well as its Medical and Scientific Advisory Board that reviewed its content, under the leadership of Jack Ansell, MD.

National Blood Clot Alliance appreciates Sharon L Hall, RN PhD and Barbara Riley, MSCM, BSN, RN, LNC of CDC for their guidance in completing the continuing education process.


Mary Ellen McCann, Director, Health Learning & Marketing,


This curriculum was supported by Cooperative Agreement U27 DD00326 from the Centers for Disease Control and Prevention.

Technical Requirements

This application was designed for use in any major browser on a PC or Apple computer. There is no speed or special software requirements. You must have cookies enabled on your computer if you plan to return the curriculum after starting. It is recommended you bookmark this page if you plan to return.

Click here to begin or continue the course curriculum.

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