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     siliconinvestor.com

     • A heart attack is when blood flow to the heart is blocked. It’s a circulation problem. With sudden cardiac arrest (SCA), the heart malfunctions and suddenly stops beating. Sudden cardiac arrest is an electrical problem caused by irregular heart rhythms called arrhythmias. A common and potentially deadly arrhythmia is ventricular fibrillation.
     cpr.heart.org › en › health-topics

     What is a Heart Attack? | American Heart Association CPR ...

2. People also ask

   What is an arrhythmia & how does it affect the heart?

   • An arrhythmia is a disorder of the heart that affects the rate or rhythm at which the heart beats; basically the way the electricity works. It happens when electrical impulses that direct and regulate heartbeats don’t function properly. This causes the heart to beat: The prevalence of arrhythmia is between 1.5 and 5 percent of the population.

   Arrhythmia: Symptoms, Types, Causes, Treatment, Prevention - Healthline

   www.healthline.com/health/arrhythmia

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   Can a heart arrhythmia cause a weak heart?

   • Occasionally, having very frequent premature ventricular beats may lead to a weak heart. Premature heartbeats may occur when resting. Stress, heavy exercise and the use of stimulants, such as caffeine or nicotine, also may cause premature heartbeats. A heart arrhythmia may not cause any symptoms.

   Heart arrhythmia - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/heart-arrhythmia/symptoms-causes/syc-20350668

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   What are the possible complications of a heart arrhythmia?

   • Illegal drugs, such as amphetamines and cocaine, may greatly affect the heart. Some may cause sudden death due to ventricular fibrillation. Complications depend on the type of heart arrhythmia. Possible complications of heart arrhythmias include: Blood clots, which can lead to stroke. Heart failure. Sudden cardiac death.

   Heart arrhythmia - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org/diseases-conditions/heart-arrhythmia/symptoms-causes/syc-20350668

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3. www.mayoclinic.org › diseases-conditions › heartHeart arrhythmia - Symptoms and causes - Mayo Clinic

   www.mayoclinic.org › diseases-conditions › heart

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   Oct 13, 2023 · A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat. A heart arrhythmia occurs when the electrical signals that tell the heart to beat don't work properly. The heart may beat too fast or too slow. Or the pattern of the heartbeat may be inconsistent. A heart arrhythmia may feel like a fluttering, pounding or racing heartbeat.

4. www.healthline.com › health › arrhythmiaArrhythmia: Symptoms, Types, Causes, Treatment, Prevention

   www.healthline.com › health › arrhythmia

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   Types. Symptoms. Causes. Risk factors. Diagnosis. Treatment. Complications. Prevention. Outlook. Takeaway. What is arrhythmia? An arrhythmia is a disorder of the heart that affects the...

5. Videos

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     nhlbi.nih.gov

     What Is an Arrhythmia?

     Mar 24, 2022

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     Cardiac Arrhythmia

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     my.clevelandclinic.org

     What you need to know about arrhythmias

     Dec 11, 2017

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6. cpr.heart.org › en › health-topicsSymptoms, Diagnosis and Monitoring of Arrhythmia

   cpr.heart.org › en › health-topics

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   Nov 16, 2022 · A heart attack occurs when blood flow to the heart is blocked. This denies oxygen to the heart muscle — possibly damaging or destroying organ tissue. The symptoms for heart attack can vary widely, just like symptoms for arrhythmia. Some heart attacks are sudden and intense.

7. www.webmd.com › heart-disease › atrial-fibrillationLiving With Arrhythmia: Tips for Managing Your Heart Rhythm ...

   www.webmd.com › heart-disease › atrial-fibrillation

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   Oct 4, 2023 · 15 min read. What Is an Arrhythmia? An arrhythmia (pronounced as “ uh-RITH-me-uh”) is an irregular heartbeat. This means your heart is out of its usual rhythm. About 1.5%-5% of people have...

   • Author: Kris Martins

8. www.verywellhealth.com › arrhythmia-7371348Arrhythmia: Types, Symptoms, When to Be Concerned

   www.verywellhealth.com › arrhythmia-7371348

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   Apr 5, 2023 · Cardiac arrhythmia (abnormal heart rhythm or dysrhythmia) is characterized by a heartbeat that loses its normal rhythm. Cardiac arrhythmias that require medical attention happen when the heart's electrical system short-circuits and seriously disrupts the natural rhythm of a beating heart.

9. www.heart.org › what-is-arrhythmiaWhat is an Arrhythmia? - American Heart Association

   www.heart.org › what-is-arrhythmia

   Cardiovascular Conditions. What is an Arrhythmia? An arrhythmia is an abnormal heart rhythm. It may feel like fluttering or a brief pause. Some people may feel nothing at all. It could be so brief that it doesn’t change your heart rate (the number of times per minute that your heart beats). Or it can cause the heart rate to be too slow or too fast.

10. www.heartfoundation.org.au › your-heart › heartWhat is an arrhythmia? | Heart Foundation

    www.heartfoundation.org.au › your-heart › heart

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    Key takeaways. 6 min read. Arrhythmia is a fault in the heart’s electrical system, which affects your heart’s pumping rhythm. Heart arrhythmias are a range of conditions, which have a range of outcomes.