"This book is incredibly complete and easy-to-understand for anybody. I certainly recommend it for patients who want to know more about atrial fibrillation than what they will learn from doctors...."

Pierre Jaïs, M.D. Professor of Cardiology, Haut-Lévêque Hospital, Bordeaux, France

"Dear Steve, I saw a patient this morning with your book [in hand] and highlights throughout. She loves it and finds it very useful to help her in dealing with atrial fibrillation."

Dr. Wilber Su Cavanaugh Heart Center, Phoenix, AZ

"Your book [Beat Your A-Fib] is the quintessential most important guide not only for the individual experiencing atrial fibrillation and his family, but also for primary physicians, and cardiologists."

Jane-Alexandra Krehbiel, nurse, blogger and author "Rational Preparedness: A Primer to Preparedness"


"Steve Ryan's summaries of the Boston A-Fib Symposium are terrific. Steve has the ability to synthesize and communicate accurately in clear and simple terms the essence of complex subjects. This is an exceptional skill and a great service to patients with atrial fibrillation."

Dr. Jeremy Ruskin of Mass. General Hospital and Harvard Medical School

"I love your [A-fib.com] website, Patti and Steve! An excellent resource for anybody seeking credible science on atrial fibrillation plus compelling real-life stories from others living with A-Fib. Congratulations…"

Carolyn Thomas, blogger and heart attack survivor; MyHeartSisters.org

"Steve, your website was so helpful. Thank you! After two ablations I am now A-fib free. You are a great help to a lot of people, keep up the good work."

Terry Traver, former A-Fib patient

"If you want to do some research on AF go to A-Fib.com by Steve Ryan, this site was a big help to me, and helped me be free of AF."

Roy Salmon Patient, A-Fib Free; pacemakerclub.com, Sept. 2013

Local anesthesia

FAQs Understanding A-Fib: Local Anesthesia Can Trigger A-Fib

 FAQs Understanding A-Fib: Local anesthesia

FAQs Understanding Your A-Fib A-Fib.com12. “I read that the local anesthesia my dentist uses may trigger my A-Fib. Why is that? What can I do about it?”

Dr. Sam, a retired MD, wrote to caution A-Fib patients that local anesthesia containing epinephrine can trigger your A-Fib. Local anesthesia (with Epi or Adrenalin) is used by dentists and emergency room personnel.

Dr. Sam writes:

At the Dentist: “This past year I had to have a dental implant and bridgework requiring that I have Local Anesthesia several times. The dentist uses local anesthesia with Epinephrine (Epi or Adrenalin) to numb your mouth.

Epinephrine (Epi or Adrenalin) is one of the drugs EPs can use when completing a catheter ablation—they try to trigger A-Fib to check that their ablation scars for working.  So dental local anesthesia with Epinephrine (Epi) potentially can trigger A-Fib. I found very little info online about this and no studies had been done about dental anesthesia with Epi & A-Fib.

My EP said he thought it would be OK to use. So I had it, and within 30 minutes I was in A-Fib which lasted about 20 minutes and then I went back into NSR.

From then on I requested my dentist use only local anesthesia without Epi, and I had no more A-Fib episodes. Dentists like to use local anesthesia with Epi because it lasts longer and reduces bleeding locally.

Discuss with your dentist if you think you’re sensitive. Tell him/her you have A-Fib.”

At the Opthamologist: “The drops that the eye doctor uses to dilate your eyes are similar to Adrenalin.  Discuss with your eye doctor if you think you’re sensitive. Tell him/her you have A-Fib.”

At the Emergency Room:In the ER doctors use local anesthesia with Epi to sew up lacerations and/or to do small surgical procedures requiring local anesthesia, because it reduces bleeding locally and lasts longer. Tell your doctor you have A-Fib and discuss your concern that the use of local anesthesia with Epi may trigger your Atrial Fibrillation.”

Thanks Dr. Sam for sharing this warning about Epinephrine containing products.

Go back to FAQ Understanding A-Fib

FAQs Understanding A-Fib: Questions from Patients

FAQs Understanding Your A-Fib A-Fib.comFAQs: Understanding Atrial Fibrillation

Atrial Fibrillation patients often have loads of “Why?” and “How?” questions. Here are answers to the most frequently asked questions by patients and their families. (Click on the question to jump to the answer.)

1. Why does so much Atrial Fibrillation come from the Pulmonary Vein openings?

2. Is my Atrial Fibrillation genetic? Will my children get A-Fib too? Updated!

3. Why do older people get Atrial Fibrillation more than younger people?

4. Is Atrial Fibrillation (A-Fib) different from what doctors call Paroxysmal Supraventricular Tachycardia?

5. What is the difference between “Adrenergic” and “Vagal” Atrial Fibrillation? How can I tell if I have one or the other? Does it really matter? Does Pulmonary Vein Ablation (Isolation) work for Adrenergic and/or Vagal A-Fib?

6. What causes Paroxysmal (occasional) A-Fib to turn into Persistent (Chronic) A-Fib?

7. I’ve heard about ‘stiff heart’ or diastolic dysfunction. When you have A-Fib, do you automatically have diastolic heart failure? What exactly is diastolic dysfunction?

8. A-Fib and Flutter—I have both. Does one cause the other?” 

9. “My surgeon wants to close off my LAA during my Mini-Maze surgery. Should I agree? What’s the role of the Left Atrial Appendage?” 

10. “I’ve read about stem cells research to regenerate damaged heart tissue. Could this help cure A-Fib patients?”

11. What is the heart’s ejection fraction? As an A-Fib patient, is it important to know my EF? 

12. “I read that the local anesthesia my dentist uses may trigger my A-Fib. Why is that?”

13. “How can I determine or measure how much fibrosis I have? Can something non-invasive like a CT scan measure fibrosis?

14. “I have paroxysmal A-Fib with “pauses” at the end of an event. Will they stop if my A-Fib is cured? My cardiologist recommends a pacemaker. I am willing, but want to learn more about these pauses first.” NEW!

15. I have paroxysmal A-Fib and would like to know your opinion on which procedure has the best cure rate. NEW!

Last updated: Monday, August 8, 2016

Return to Frequently Asked Questions: Coping with A-Fib

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