MTHFR gene and heart issues

I am wondering if anyone on here has been told that they have the MTHFR gene? (It looks like some dirty words, but actually stands a long scientific term.)
I am asking because my racing heart, delayed skipped beat episodes are accompanied by TIA-like symptoms. I have had these episodes for almost 8 years with no explanation. I am currently wearing an event monitor to help determine if my issue is with my heart, since until last month, all docs have looked in the nervous system.
Since I am homozygous (1 copy) for the C677T MTHFR gene- which causes a higher risk for blood clots- especially in the presence of hormones, I have began researching the relationship between this condition and heart arrythemias that may lead to TIAs. The neuro/ stroke specialist at Duke suggested that the TIA- like symptoms my be due to the pooling and eventual clotting of blood in my heart that an break off tiny clots, leading to the TIA episodes, which- for me- include fatique, thick, slurred speech, blackouts of vision and hearing, and tingling on my right side.
Because of the MTHFR gene, I took Lovenox injections during my pregnancy. Apparently the risk of clots to the placenta is high, but the shots let me have a full- term pergnancy and a healthy baby.
Since this has been going on for 8 years I have been doing reasearch to educate myself, in hopes that my knowledge will help me to better communicate everything that the doctors need to hear to finally make a correct diagnosis.
I am newly 32 years old and have been dealing with this for almost 8 years. I really wish that I could get a correct diagnosis and treatment so that I can get on with my active life.
If anyone has any information to share with me on this, I will GREATLY appreciate it.

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The information provided by this online support network through WomenHeart: The National Coalition for Women with Heart Disease and Inspire is for general informational purposes only. The information is not intended to substitute for professional medical advice, diagnoses, or treatment. If you are ill, or suspect that you are ill, see a doctor immediately. In an emergency, call 911 or go to the nearest emergency room. WomenHeart: The National Coalition for Women with Heart Disease never recommends or endorses any specific physicians, products or treatments for any condition.