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  • Tachycardia - Symptoms and causes - Mayo Clinic
    In tachycardia, an irregular electrical signal, called an impulse, starts in the upper or lower chambers of the heart This causes the heart to beat faster 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
  • Why Is My Heart Beating So Fast? 10 Potential Reasons - Verywell Health
    Tachycardia is a rapid heart rate that beats faster than 100 beats per minute for any reason It can occur as a result of many acute and chronic conditions Factors such as age, health conditions, and physical fitness can also affect how fast your heart beats
  • Why is my heart beating fast for no reason? - Medical News Today
    Why is my heart beating fast for no reason? A fast heartbeat of over 100 beats per minute can happen for various reasons, including drug reactions, alcohol, stress, and some health
  • Why Am I Having Heart Palpitations? 14 Possible Causes - WebMD
    Why does your heart race or skip a beat? WebMD explains what causes heart palpitations and when to see your doctor
  • Why is My Heart Beating So Fast? Causes and What You Should Do
    Even when it seems like there’s no trigger, several factors could be responsible 1 Dehydration Your heart works harder to pump a smaller volume of blood Common in hot weather or after exercise Symptoms: dry mouth, dizziness, low urine output 2 Electrolyte Imbalance Potassium, magnesium, sodium, and calcium help regulate heart rhythm
  • Tachycardia: Fast Heart Rate - American Heart Association
    Ventricular tachycardia (VT) is a fast heart rate that starts in the heart’s lower chambers (ventricles) Electrical signals in the heart’s lower chambers fire abnormally fast This interferes with electrical impulses coming from the sinus node, the heart’s natural pacemaker
  • Tachycardia (High Heart Rate): Symptoms Treatment - Cleveland Clinic
    What causes tachycardia? Your heart normally responds to electrical signals from your heart’s sinoatrial (SA) node These signals control how often your heart beats When you’ve had a scare or are very emotional or anxious, or are exercising, your heart may send signals more frequently for a short time
  • Fast Heart Rate - Symptoms, Causes and Treatments • MyHeart
    Fast heart rates from the top chamber of the heart are known as supraventricular tachycardia or SVT for short They can be regular or irregular One of the most common causes for a fast heart rate, especially if irregular in nature is known as atrial fibrillation or AF for short
  • Heart palpitations: Identifying possible causes and managing triggers
    Sometimes heart palpitations are due to an electrical misfire in your heart that causes it to beat quickly or erratically One of the most common causes is atrial fibrillation, a rapid, irregular heartbeat Hormonal changes Up to 42% of perimenopausal women and 54% of postmenopausal women report that they experience heart palpitations
  • Rapid Heartbeat - Symptoms, Causes, Treatments - Healthgrades
    What is a rapid heartbeat? A rapid heartbeat, or tachycardia, is a condition in which the heart is beating fast, generally more than 100 beats per minute for an adult A rapid heartbeat can be normal, or it can result from a disease, disorder or other harmful condition





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