What You Need to Know about Undiagnosed Atrial Fibrillation, an Under-Recognized Stroke Risk Factor

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While early diagnosis of atrial fibrillation (AFib) can prevent cardiovascular complications, detecting it can be very challenging. Because stroke risk-assessment scores are seldom calculated in real-world settings, clinicians are often unfamiliar with their use or have insufficient time to determine a patient’s score. Nearly 30% of patients with a CHADS2 score of 3 or greater, but no diagnosed AFib, were later found to experience AFib episodes. Routine electrocardiogram (ECG) screening can help diagnose AFib, but such screening won’t detect sporadic and infrequent events that are often silent or asymptomatic. Various ECG self-monitoring apps have been shown to increase the yield of AFib detection.

What You Need to Know about Undiagnosed Atrial Fibrillation, an Under-Recognized Stroke Risk Factor will improve the early detection of AFib through use of stroke risk-assessment scores and appropriate long-term monitoring via ECG apps. Participants will also explore the possibilities for oral anticoagulation in patients with diagnosed AFib or high risk scores.

Welcome, Introduction, and Pre-Survey
Pathobiology and Risk Stratification of AFib
Traditional Treatments to Prevent Stroke
Newer Antithrombotic Agents
Rehospitalization Rates and Reimbursement
Q&A Session and Concluding Remarks

This activity is intended for primary care physicians and other healthcare professionals who treat patients who have stroke-associated risk factors and may also have AFib.

At the conclusion of this activity, participants should be able to:

  • Identify patients who have high stroke-associated risk using novel approaches for monitoring and diagnosis

  • Use the CHA2DS2-VASc risk assessment score as a tool to determine the appropriate course of action to manage diagnosed AFib

  • Consider appropriate oral anticoagulation for patients with newly diagnosed AFib and various degrees of disease burden/stroke risk

 Christopher Cannon, MD
 Cardiovascular Division
 Brigham and Women’s Hospital
 Professor of Medicine
 Harvard Medical School
 Boston, MA


 Christopher B. Granger, MD, FAHA, FACC
 Professor of Medicine
 Director, Cardiac Intensive Care Unit
 Duke University Medical Center
 Durham, NC


This activity has been planned and implemented in accordance with the accreditation requirements and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint providership of USF Health and Rockpointe. USF Health is accredited by the ACCME to provide continuing medical education for physicians.

USF Health designates this live activity for a maximum of 1.0 AMA PRA Category 1 CreditTM. Physicians should claim only the credit commensurate with the extent of their participation in the activity.

For information about accreditation of this activity, please email: cpdsupport@health.usf.edu.

ABIM MOC Points are available for Internal Medicine, General; Cardiovascular Disease; Clinical Cardiac Electrophysiology; Interventional Cardiology Board Certified Physicians.

 Successful completion of this CME activity, which includes participation in the evaluation component, enables the participant to earn up to 1.0 Medical Knowledge MOC points in the American Board of Internal Medicine's (ABIM) Maintenance of Certification (MOC) program. Participants will earn MOC points equivalent to the amount of CME credits claimed for the activity. It is the CME activity provider’s responsibility to submit participant completion information to ACCME for the purpose of granting ABIM MOC credit.

USF Health adheres to ACCME Standards regarding commercial support of continuing medical education. It is the policy of USF Health that the faculty and planning committee disclose real or apparent conflicts of interest relating to the topics of this educational activity, that relevant conflict(s) of interest are resolved and also that speakers will disclose any unlabeled/unapproved use of drug(s) or device(s) during their presentation. Detailed disclosure will be made in the course syllabus.

The information provided at this CME activity is for continuing education purposes only and is not meant to substitute for the independent medical/clinical judgment of a healthcare provider relative to diagnostic and treatment options of a specific patient’s medical condition.

USF is an Equal Opportunity / Affirmative Action / Equal Access Institution.

USF Health does not endorse any product, material, or service mentioned in association with this activity.

To complete the activity and receive credit, the participant must attend the program and complete the evaluation. A CME certificate will be presented after submission of a completed evaluation form.

There are no fees associated with this program.

Event staff will be glad to assist you with any specials needs (e.g. physical, dietary, etc.).  Please email specialservices@rockpointe-pcme.com at least 5 days prior to the program.


Jointly provided by USF Heath and Rockpointe


This activity is supported by an educational grant from the Bristol-Myers Squibb and Pfizer Alliance.