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  • Heart arrhythmia - Symptoms and causes - Mayo Clinic
    A heart arrhythmia (uh-RITH-me-uh) is an irregular heartbeat A heart arrhythmia happens when the electrical signals that tell the heart to beat don't work as they should 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 Some heart arrhythmias are harmless Others may cause
  • Atrial fibrillation - Symptoms and causes - Mayo Clinic
    Atrial fibrillation (AFib) is an irregular and often very rapid heart rhythm An irregular heart rhythm is called an arrhythmia AFib can lead to blood clots in the heart The condition also increases the risk of stroke, heart failure and other heart-related complications
  • Heart arrhythmia - Diagnosis and treatment - Mayo Clinic
    Heart arrhythmia treatment is usually only needed if the irregular heartbeat causes significant symptoms or puts you at risk of more-serious heart conditions Treatment for heart arrhythmias may include medicines, special actions called vagal maneuvers, procedures or surgery
  • Heart failure - Symptoms and causes - Mayo Clinic
    Heart failure occurs when the heart muscle doesn't pump blood as well as it should Blood often backs up and causes fluid to build up in the lungs and in the legs The fluid buildup can cause shortness of breath and swelling of the legs and feet Poor blood flow may cause the skin to look blue or gray Depending on your skin color, these color changes may be harder or easier to see Some types
  • Ventricular tachycardia - Symptoms and causes - Mayo Clinic
    In those patients who don't have dangerous ventricular arrhythmias, we're looking to treat to improve quality of life, or symptoms, because some patients can have a variety of symptoms attributable to these arrhythmias, including feelings of skipped beats or rapid heart beats, or even dizziness But some might just feel tired
  • Heart disease - Symptoms and causes - Mayo Clinic
    Overview Heart disease describes a range of conditions that affect the heart Heart disease includes: Blood vessel disease, such as coronary artery disease Irregular heartbeats, called arrhythmias Heart conditions that you're born with, called congenital heart defects Disease of the heart muscle Heart valve disease
  • Heart attack - Symptoms causes - Mayo Clinic
    A heart attack occurs when an artery that sends blood and oxygen to the heart is blocked Fatty, cholesterol-containing deposits build up over time, forming plaques in the heart's arteries If a plaque ruptures, a blood clot can form The clot can block arteries, causing a heart attack During a heart attack, a lack of blood flow causes the tissue in the heart muscle to die
  • Tachycardia - Symptoms and causes - Mayo Clinic
    Tachycardia (tak-ih-KAHR-dee-uh) is the medical term for a heart rate over 100 beats a minute Many types of irregular heart rhythms, called arrhythmias, can cause tachycardia A fast heart rate isn't always a concern For instance, the heart rate usually rises during exercise or as a response to stress
  • Premature ventricular contractions (PVCs) - Mayo Clinic
    Some things, including heart diseases or changes in the body, can make cells in the lower heart chambers electrically unstable Heart disease or scarring may cause the heart's electrical signals to take the wrong path Premature ventricular contractions may be caused by: Some medicines, including decongestants and antihistamines
  • Cardiac ablation - Mayo Clinic
    Cardiac ablation is a treatment for irregular heart rhythms, called arrhythmias It uses thin, flexible tubes called catheters and heat or cold energy to create tiny scars in the heart The scars block the faulty signals that cause irregular heartbeats This illustration shows a type of cardiac ablation called pulmonary vein isolation





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