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Doctor insights on: All Heart Over Cardioversion

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Are arrythmias and?Abnormal heart rhythm the same thing?

Are arrythmias and?Abnormal heart rhythm the same thing?

Yes: Arrhythmia is an unfortunate misnomer. It suggests there is no rhythm at all, in other words that the heart has ceased to beat. "a-" is a prefix that means "not". ...Read more

Dr. Samuel Hahn
117 doctors shared insights

Cardioversion (Definition)

Electrical conversion ...Read more


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Do we all have different heart rhythms?

Do we all have different heart rhythms?

Not really : We have different rates under different conditions but normal sinus rhythm is normal. ...Read more

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Is it tachycardia when your resting heart rate is over 100 or any heart rate over 100?

Is it tachycardia when your resting heart rate is over 100 or any heart rate over 100?

Tachycardia: Technically that is resting hr. Elevated hr with exercise would be appropriate compensatory tachycardia. Relative tachycardia can be found in patients with resting heart rate that is low and elevation by about 30 BPM above that. Not really tachycardia but behaves like it in person in that situation. ...Read more

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Can pacemaker fix all cases of atrial fibrillations?

Can pacemaker fix all cases of atrial fibrillations?

No: Atrial fibrillation is an irregular heartbeat of the upper chambers of the heart. Its greatest danger is the formation of bloodclots within the heart which can trravel up to the brain and cause a stroke. Patients with af are generally treated with anticoagulants or blood thinners like aspirin, warfarin (coumadin) or dabigatran (pradaxa) to prevent strokes and medication to control the heart rate. ...Read more

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Dizzy all the time after 5 heart stents.

Dizzy all the time after 5 heart stents.

Shouldn't be a: Connection unless medication related assuming your BP is ok. Is it? Also did you talk to your cardiologist ? ...Read more

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Many palpitations everyday, ekg. Holter monitors, 30 day event monitor, all normal but they all do show many palpitations but no arrhythmia. Why?

Thanks for asking!: Normally contractions of the heart are initiated by a special collection of cells called the sinus node. However, virtually every cell in the heart has the ability to start a contraction. Some people have cells in the heart that initiate a contraction instead of waiting for the signal to come from the usual place (the sinus node). This creates an extra beat, experienced as a palpitation. ...Read more

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Everyday muscle twitching all over and heart palpitations .?

Everyday muscle twitching all over and heart palpitations .?

See your MD: 24 year old gentleman with muscle twitching and heart palpitations. You may be experiencing side effects from drug exposure, an electrolyte disturbance, or other problems. The only way to know for sure is for you to be seen in person for a full history and physical exam, lab tests. Please get seen right away. Good luck. ...Read more

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When should we choose dopamine over dobutamine in treating congestive cardiac failure?

When should we choose dopamine over dobutamine in treating congestive cardiac failure?

Sometimes use both: Dopamine has more affect on blood pressure (raises it). Dobutamine increases heart (myocardial) contractility so it makes the heart muscle beat stronger and subsequently increases cardiac output. They are often used together for people with heart failure and low bp. ...Read more

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Can constant anxiety raise the heart rate all day long?

Can constant anxiety raise the heart rate all day long?

Yes: But it would be prudent to investigate other possible causes of tachycardia as well. ...Read more

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I have tachycardia! rate of 130+ always! which i've had ekgs, holter monitors, event monitor, CT angiogram, & heart ultra sound which were all norm?

I have tachycardia! rate of 130+ always! which i've had ekgs, holter monitors, event monitor, CT angiogram, & heart ultra sound which were all norm?

It depends: Even though the work up has been normal, you could still have inappropriate sinus tachycardia or supra ventricular tachycardia (avnrt for instance). If the tachycardia persists, you should see an electrophysiologist - doctor that specializes in heart rhythm disorders - and she or he can take a look at your tests and decide if something else needs to be done. ...Read more

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If I have many different heart beats... Will an EP study check all chambers of the heart for defects?

If I have many different heart beats... Will an EP study check all chambers of the heart for defects?

Not necessarily: An EP study can be very good at defining certain arrhythmias however is not perfect and it may not be necessary depending on the results of your monitor. Consult an Electrophysiologist ...Read more

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Are pac's and pvc's of the heart dangerous?

Are pac's and pvc's of the heart dangerous?

PVC's and PAC's: Premature atrial and ventricular contractions or extra heartbeats may be considered normal in a heathly young adult. These extra heartbeats may be aggravated by pain, anxiety, stimulant drugs, medications and foods like caffeine. Although generally benign, pac's and pvc's may reflect underlying heart disease, anemia, electrolyte or endocrine conditions. Urgent eval if chest pain, sob or syncope. ...Read more

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Heart palps while sleeping. Slow heart rate. Feels like skipped beats (thumps). Chest discomfort. Have had all cardio tests. Any ideas?

Heart palps while sleeping. Slow heart rate. Feels like skipped beats (thumps). Chest discomfort. Have had all cardio tests.  Any ideas?

Maybe OSA?: People with undiagnosed sleep apnea can have slow heart rates with pvcs paroxysm of atrial fibrillation etc a sleep study may be just the test to see what and why your having nighttime palpitations. ...Read more

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At the er for chest pain hospital monitor says couplet pvcs amd sv rhythm. What does sv rhythm mean? and are couplet pvcs dangerous?

At the er for chest pain hospital monitor says couplet pvcs amd sv rhythm. What does sv rhythm mean? and are couplet pvcs dangerous?

Not necessarily: SV="supraventricular rhythm" which is normal. PVCs are "extra beats" that sometimes lead to the feeling of a thump or irregular heart beat. By themselves, extra PVCs or couplets of PVCs are not dangerous. Some people get them when they drink caffeine or smoke cigarettes. They aren't an indicator of a heart attack, but if they happen during a heart attack, they can be a sign of impending problem ...Read more