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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Could Be The Cause Of Transient RBBB In A 50 Plus Involved In Heavy Sporting Activities ?

My ecg shows an intermittent or transient RBBB. When the ecg is made in a supine position (laying down) the QRS is only 90-94 ms, but if the ecg is made in standing or upright sitting position the QRS is 140-145 ms. No kind of heart disease found until today. Not any one of my five cardiologist have an explanation for. I am in the age of 55 and a drug free athlet, 6.1 ft and 220 lbs, making competive sports like rowing, running and cycling for 40 years. Any idea for that mystic RBBB phenomenon ? I feel pretty uncomfortable with that in mind and i am afraid of training hard.
posted on Sat, 25 Feb 2012
Twitter Sat, 25 Feb 2012 Answered on
Twitter Mon, 9 Apr 2012 Last reviewed on
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Cardiologist, Interventional,  's  Response
hello .. n.. welcome to HCM,
definitely when 5 cardiologist doesn't have any explanation, it makes uncomfortable.
i am also not going to give any explanation, only thing i want to say is that if u dont have any problem, its always better to avoid and leave it as it is. God has created a a great machine as OUR BODY, still many things to understand.
so, dont worry be happy..
take care....
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What Could Be The Cause Of Transient RBBB In A 50 Plus Involved In Heavy Sporting Activities ?

hello .. n.. welcome to HCM, definitely when 5 cardiologist doesn t have any explanation, it makes uncomfortable. i am also not going to give any explanation, only thing i want to say is that if u dont have any problem, its always better to avoid and leave it as it is. God has created a a great machine as OUR BODY, still many things to understand. so, dont worry be happy.. take care....