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Hello! My name is Dr. Dominick Megna and I am a cardiac surgeon having graduated from St. George’s University School of Medicine in 2010. To date, I have performed approximately 500 cardiac surgeries, of which 250 involved heart valve procedures. I regularly perform surgery at Smidt Heart Institute at Cedars-Sinai. Read more...
I believe my greatest strength is getting to know my patients as a whole, not just their disease. It is my goal to understand my patients’ needs and provide them with the best possible outcome.
I had the privilege of training with cardiac pioneers at superb institutions around the country and learned a vast array of cardiac procedures. I have focused expertise in aortic surgery, including the aortic root and arch procedures, as well as advanced heart failure.
Having the ability to practice at an institution with a diverse group of experts allows me to provide the most comprehensive, evidence-based care for my patients.

Upcoming Patient Surgeries


I had up days and down days pre-surgery for my aortic valve. Even ... Read more
I had up days and down days pre-surgery for my aortic valve. Eventually, I came to peace with it and did a lot of meditations before bed.
Post-surgery, the first 3 days I remember were very difficult but I got through them. The next two weeks were not as difficult with good and bad days. Since I got past the 3-week mark, most of my days have been very good. I’ll be going back to working from home at 27-days after surgery and I’m making plans for when I’m healthy enough to start running again.

Check out the new edits to 'My Story' page by clicking here.

Surgeon Q&A: The Risk Vs. Benefit of Asymptomatic Mitral Valve Surgery
Doctor Interviewed:
Dr. Junaid Khan
Surgeon Q&A: The Risk Vs. Benefit of Asymptomatic Mitral Valve Surgery
Check out the new edits to 'My Story' page by clicking here.
I thought I was doing well, had mitral valve repair in January 2024. My echo in May 2024 showed trace regurgitation. Just got another echo ...Read more
I thought I was doing well, had mitral valve repair in January 2024. My echo in May 2024 showed trace regurgitation. Just got another echo and it’s showing mild to moderate regurgitation. Needless to say, I’m scared. I’m scared of another surgery and what this means?
I have to wait till July 15th for my doctors apt. But wondering if anyone has had a similar situation and what the outcome was?
I was hoping to be the 90% success rate but looks like those aren’t the cards I was handed. Just works as to how it went from trace to mild mod in a year?
good news is my heart is no longer enlarged or dilated everything is normal!
thank you
Check out the new edits to 'My Story' page by clicking here.
Check out the new edits to 'My Story' page by clicking here.


Check out the new edits to 'My Story' page by clicking here.
Check out the new edits to 'My Story' page by clicking here.

“I just went in for an annual check-up. After listening to my heart, my doctor told me I had a heart murmur. I never knew I had a heart murmur, and I didn’t know much about them. The images ... Read more.
“I just went in for an annual check-up. After listening to my heart, my doctor told me I had a heart murmur. I never knew I had a heart murmur, and I didn’t know much about them. The images showed that I had a severe mitral valve prolapse.
We made the decision, at the time, to keep an eye on it for a year because I had no symptoms. Based on my second echocardiogram, it was determined that my mitral valve prolapse had progressed, and it was time for surgery. Now, I am ecstatic to say that my wife and I just returned from a 10-day holiday in Saint Lucia which included four scuba dives.
Dr. Castillo-Sang gave me the confidence that I would be able to dive again, and he was 100% correct."
-- Gary Fabre, heart valve patient
Check out the new edits to 'My Story' page by clicking here.
Check out the new edits to 'My Story' page by clicking here.

Check out the new edits to 'My Story' page by clicking here.

Post-operative AFib is a BIG PROBLEM that impacts up to 30% of heart surgery... Read More.
Getting the right-sized valve is imperative for achieving successful outcomes after aortic valve replacement.... Read More.
Check out the new edits to 'My Story' page by clicking here.
Check out the new edits to 'My Story' page by clicking here.
Check out the new edits to 'My Story' page by clicking here.


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Check out the new edits to 'My Story' page by clicking here.
The only pain issue I have is occasionally after eating my stomach hurts for hours. It makes getting the next meal down difficult & I usually resort to a fruit-protein smoothie.

Appreciate all of your input .
I had a Ross procedure a year and a half ago with Dr El-Hamamsy @ Mt Sinai in NYC. I ... Read more
I had a Ross procedure a year and a half ago with Dr El-Hamamsy @ Mt Sinai in NYC. I highly recommend talking with them as they are a Ross center of excellence. My experience there was A+ with the everyone I met.

Hello! My name is Dr. Dominick Megna and I am a cardiac surgeon having graduated from St. George’s University School of Medicine in 2010. To date, I have performed approximately 500 cardiac surgeries, of which 250 involved heart valve procedures. I regularly perform surgery at Smidt Heart Institute at Cedars-Sinai. Read more...
I believe my greatest strength is getting to know my patients as a whole, not just their disease. It is my goal to understand my patients’ needs and provide them with the best possible outcome.
I had the privilege of training with cardiac pioneers at superb institutions around the country and learned a vast array of cardiac procedures. I have focused expertise in aortic surgery, including the aortic root and arch procedures, as well as advanced heart failure.
Having the ability to practice at an institution with a diverse group of experts allows me to provide the most comprehensive, evidence-based care for my patients.
Check out the new edits to 'My Story' page by clicking here.
Check out the new edits to 'My Story' page by clicking here.
"
Upcoming Surgeries
Corey Potter
Aortic Regurgitation
July 11, 2025
Tricia Casey
Mitral Regurgitation
September 1, 2025
Jonathan Calleja
Mitral Regurgitation
October 1, 2025
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