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Doctor insights on: Lbbb Ecg

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For 58+ F, can presence of LBBB in ECG be indicative of any previous heart attack or stroke ? How risky is it for future heart health ?

For 58+ F, can presence of LBBB in ECG be indicative of any previous heart attack or stroke ? How risky is it for future heart health ?

Absolutely, LBBB is: a result of endocardial muscle damage/infarction of the Perkinje fibers & surrounding muscle. Endocardial muscle (because heart contraction blocks capillary flow during each beat) is always most susceptible to ischemic damage (heart attack) yet least reflected on surface EKG other than by elongation of the QRS duration. Thus QRS duration beyond 80 msec is the most sensitive sign of heart attack. ...Read more

Dr. M. Hytham Beck
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Electrocardiogram (Definition)

Electrocardiogram (ecg, ekg) is a print-out of the electrical forces detected by electrodes on the chest wall, as electricity travels through the heart with each heart beat. The electrodes are placed in different positions, and each position "sees" the electrical activity of the heart from its own vantage point. Abnormalities in signal detected at chest surface ...Read more


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Does a "Normal ECG" report indicates there is nothing like LBBB or past heart attack, stroke or cardiac attack ?

Does a "Normal ECG" report indicates there is nothing like LBBB or past heart attack, stroke or cardiac attack ?

ECG not great.: While certain things, like a LBBB, would be evident and obvious on an ECG, other things, like previous heart attacks, or more importantly the risk for a future heart attack, may be frustratingly absent from a resting ECG. Echocardiogram and stress test may be more useful cardiac tests for risk stratification. ...Read more

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I am a 28 year old female who was just found to have LBBB on an EKG during my physical. I feel fine and have normal bp. Could I have something serious

Requires follow up: Lbbb is an unusual finding in a normal heart, and requires further testing and follow up. At the very least, you should undergo an echocardiogram. If normal, it should be repeated every 5 years or so. An exercise stress test and a 24 hour holter monitor may also be appropriate, but are not mandatory. You should see a cardiologist. ...Read more

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Hi i went to urgen care on thursday because i was having chest pain. They did a EKG and it came back abnormal the said I have lbbb, how do you treat ?

Hi i went to urgen care on thursday because i was having chest pain. They did a EKG and it came back abnormal the said I have lbbb, how do you treat ?

Go to heart dr.: You go to cardiologist. Most of the time you don't need to treat lbbb, but you deffinately need to get your heart checked. ...Read more

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Could I have cardiomyopathy with no other symptoms but an LBBB on my ekg? I have an appt w/ a cardiologist in a few days, but i'm nervous from reading

Could I have cardiomyopathy with no other symptoms but an LBBB on my ekg? I have an appt w/ a cardiologist in a few days, but i'm nervous from reading

Maybe: The finding of lbbb on an ECG can be seen in cardiomyopathy, myocarditis, ischemic heart disease, left ventricular hypertrophy, and several other conditions. It can occasionally be present in a normal heart. Most people with cardiomyopathy have symptoms as well. Keep your appointment with your cardiologist. ...Read more

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Ekg results; vent 81bpm, p duration 122, qrs duration 138, pr interval 178, qt/qtc 392/428? How abnormal is this? Only diagnosis I have is lbbb.

Ekg results; vent 81bpm, p duration 122, qrs duration 138, pr interval 178, qt/qtc 392/428?  How abnormal is this?  Only diagnosis I have is lbbb.

Depends: Lbbb is abnormal. It may be associated with coronary heart disease, high blood pressure, an enlarged heart, or cardiomyopathy (heart muscle disease). Rarely, it can be congenital (present at birth). The significance of lbbb depends on the presence or absence of associated heart disease and whether it is a new finding or has been present for several years. May need echocardiogram and/or heart cath. ...Read more

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