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Doctor insights on: Hypothyroid And Atrial Fibrillation

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Dr. John Garner
1,802 doctors shared insights

Atrial Fibrillation (Definition)

Atrial fibrillation is an irregular and often rapid heart rate that commonly causes poor blood flow to the body. During atrial fibrillation, the heart's two upper chambers (the atria) beat chaotically and irregularly — out of coordination with the two lower chambers (the ventricles) of the heart. Atrial fibrillation symptoms include heart palpitations, shortness ...Read more


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15 yrs with hypothyroidism taking 200mcg test 3 days ago came back 8.0 reduce to 125mcg reason of test ER with atrial fibrillation this the reason?

15 yrs with hypothyroidism  taking 200mcg test 3 days ago came back 8.0 reduce to 125mcg reason of test  ER with atrial fibrillation this the reason?

Incomplete: Your question is incomplete. We don't know what test came back 8.0, what drug you're taking, etc. Let's assume you're asking if the er reduced your levothyroxine to 125mcg with a TSH of 8.0 for atrial fibrillation. That would make some sense from a fib perspective, but the TSH of 8.0 would mean your body needs more levothyroxine, not less, so the picture still isn't clear from your question. ...Read more

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Can Hypothroidism cause atrial fibrillation?Thanks

No: But hyperthyroidism is a common cause. Also, you mention alcohol addition and that's one of the commonest causes. Also age over 70 is a common cause (noting your age). ...Read more

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Is atrial fibrillation hereditary?

Is atrial fibrillation hereditary?

No: Congenital heart problems can be inherited and this can lead to afib. But afib itself is not. ...Read more

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Is atrial fibrillation a disability?

Is atrial fibrillation a disability?

It can be: If afib is difficult to treat ie unable to convert patient to normal rythm or unable to slow rate down with medicines, or perhapse the patient can't tolerate the medications to treat the problem , a person can be disabled. Pts with pre existing heart problems may not tolerate afib as well. Ablation therapy is not always effective and some patients may need a pacemaker. Just depends on pt ...Read more

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Why is atrial fibrillation dangerous?

Why is atrial fibrillation dangerous?

Causes strokes: Atrial fibrillation causes stagnation of blood in the atrium contributing to the formation of clots there which may travel to the brain causing a stroke or cva or sudden death. ...Read more

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Can an atrial fibrillation be lethal?

Only if…: Only if the atrial rate is conducted in a very rapid fashion to the lower chamber. Your heart has built-in protection to keep this from happening. However, patients with a condition known as wolff parkinson white sometimes lack this protection and under the right circumstances can die as a result of atrial fibrillation. ...Read more

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How is atrial fibrillation diagnosed?

How is atrial fibrillation diagnosed?

EKG /Physical exam: Different ways. Listening to the heart there is obvious irregular rhythm with irregular rate. The electrocardiogram is diagnostic. Some times atrial fibrillation may appeared transiently or paroxystically. A holter monitor or cardiac monitor could show the characteristic features of the EKG changes. ...Read more

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What does atrial fibrillation feel like?

Rapid heart beat: You may feel that your heart is racing, sometimes you may feel like passing out, you feel irregular heart beat. ...Read more

Dr. Su Fairchild
1,212 doctors shared insights

Hypothyroidism (Definition)

The thyroid gland is an endocrine organ located in the front part of the neck. Its role is to make thyroid hormones, which control the way cells use energy. Hyperthyroidism results when the thyroid gland is overactive and too much thyroid hormone is produced, which speeds up metabolism. This results in weight loss, a quick heartbeat, sweating, nervousness, ...Read more


Fibrillation (Definition)

Fibrillation is the rapid, irregular, and unsynchronized contraction of muscle fibers. An important occurrence is with ...Read more