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Doctor insights on: A Fib And Stroke

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What's the difference between an a-fib and a stroke?

What's the difference between an a-fib and a stroke?

Much: Symplistically, atrial fibrillation is an irregular heart rhythmn that can increase the risk for stroke. A stroke occurs when the blood supply to an area in the brain is cut off for a long enough period of time causing surrounding brain tissue death. ...Read more

Dr. Bennett Machanic
1,352 doctors shared insights

Stroke (Definition)

Stroke is a loss of neurological function due to loss of blood flow to a part of the brain. This can be the result of clotting locally, an embolus from elsewhere in the vascular system or bleeding in the brain. It is usually manifest by a sudden ...Read more


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A-fib, stroke prophylaxis: arixtra works diff from warfarin, no approval by fda & no studies establishing its effectiveness. How can it be acceptable?

A-fib, stroke prophylaxis: arixtra works diff from warfarin, no approval by fda & no studies establishing its effectiveness. How can it be acceptable?

Agree with you: Arixta is effective in for venous blood clots. It works faster than warfarin but has to be injected, so it is given temporarily. Sometimes it is selected bec of a Heparin allergy. For atrial fibrillation, there are 3 new pills (pradaxa, xarelto, eliquis) that can be used instead of warfarin. They are very attractive because they dont require monthly blood test monitoring. ...Read more

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If you were having a stroke from arial fib would you know beyond a shadow of a doubt?

If you were having a stroke from arial fib would you know beyond a shadow  of a doubt?

Likely: Beyond a shadow of a doubt is a term that is seldom used in medicine. As previously answered a stroke may come from multiple sources, including the heart. New numbness, speech difficulty, weakness associated with "a hamster running around in your chest" is suggestive of a heart source. ...Read more

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Role of arixtra in the prevention of stroke in patients with atrial fib?

Role of arixtra in the prevention of stroke in patients with atrial fib?

Clot prevention: Arixtra is a blood thinner that reduces the chance for blood clots to form and cause a stroke. Not a chronic treatment choice though. ...Read more

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What meds can I use to control my a fib? What are the risks and side effects of medications to control my atrial fibrillation or to reduce the risk of stroke? What are the risks/benefits of other treatment options?

The : The treatment of atrial fibrillation has two important components: 1) treating the rhythm, and 2) preventing stroke. There are two strategies for treating the rhythm. The first is called the rate control strategy, and involves using medicines to prevent the heart rate from going too fast. These medicines do not prevent atrial fibrillation episodes, but are generally effective at preventing fast rhythms and also tend to have few side effects. This is a good strategy for people who do not have severe symptoms from atrial fibrillation, such as older less active people. The second strategy is called the rhythm control strategy, and involves using medications that are designed to maintain normal sinus rhythm and prevent episodes of atrial fibrillation. This strategy may be more desirable for people who are vey symptomatic when in atrial fibrillation such as young, active people. Unfortunately, this strategy tends to be less successful because recurrence of atrial fibrillation is common. The rhythm control medications also tend to have more side effects than the rate control medicines, and in some cases the side effects can be severe. Neither strategy is better than the other at preventing stroke. For stroke prevention, warfarin (also called coumadin) is typically used for people at moderate or high risk. This medication has been shown to be superior in preventing stroke, but it also increases the risk of dangerous bleeding because it is a blood thinner. Patients at lower risk for stroke may just take an Aspirin tablet daily. This has a lower bleeding risk than warfarin. Lastly, some people are candidates for surgical or catheter-based ablation procedures. These procedures can cure atrial fibrillation, but are not always successful and not all people are good candidates. ...Read more

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Assuming a fib is common, at what point should you seek medical attention?

Assuming a fib is common, at what point should you seek medical attention?

Common but important: Atrial fibrillation is common affecting 10% of people by age 70 and increasing in frequency with age. If certain risk factors are present, it can be an important and preventable cause of stroke. Certain conditions such as high blood pressure, thyroid excess, and mitral valve disorders cause af and need treatment. Thus, everyone with af should undergo a full evaluation at least once. ...Read more

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What is a fib?

What is a fib?

Abnl heart rhythm: Afib is short for atrial fibrillation which is an abnormal heart rhythm where your heart speeds & slows down on its own without any good reason. It can be confirmed by an ekg/ecg or electrocardiogram where your doctor will tell you that you're missing p waves (the signal from the atria). Afib increases your risk of stroke and may warrant taking blood thinners. ...Read more

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What is the latest breakthrough for a-fib?

Rotors: The answer already given is correct; there are several new drugs to treat the stroke risk. There is also a new ablation strategy just about to be deployed known as rotor ablation. It targets a different aspect of the process that keeps atrial fibrillation going. This is an approach entirely unlike that we've used for the last 10 years. Stay tuned! ...Read more

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A fib definition?

A fib definition?

Irregular heart : A fib is a common arrhythmia in older adults. It is an irregularity of the pacing part of the heart. It increases symptoms like shortness of breath and palpitations. It is often due to hypertension or underlying heart disease. Meds can control the heart rate and reduce the risk of stroke. You should be evaluated by a physician. ...Read more