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Tachycardia - Wikipedia


Tachycardia, also called tachyarrhythmia, is a heart rate that exceeds the normal resting rate. ... the heart itself. The increased heart rate also leads to increased work and oxygen demand by the h...

Tachycardia | Fast Heart Rate - American Heart Association


Dec 15, 2016 ... Atrial or Supraventricular tachycardia (SVT) is a fast heart rate that starts in the upper chambers of ... In extreme cases, atrial or SVT may cause:.

Fast Heart Rate – When To Worry? | Virginia Cardiovascular ...


When do you need to worry about a fast heart rate? Dr. Daniel Schneider discusses how it depends on the cause of your elevated HR, and possibly your age.

Symptoms and causes - Tachycardia - Mayo Clinic


Jan 11, 2017 ... Tachycardia is a rapid heart rate caused by a problem in the heart's electrical system. Find out more about this common heart rhythm disorder ...

Heart Palpitations: Causes, Treatments, After Eating, Lying Down


Jul 9, 2015 ... Palpitations make you feel like your heart is beating too hard or too fast, skipping a beat, or fluttering. You may notice heart palpitations in your ...

About Tachycardia | Medtronic


Find info on Tachycardia, a fast or irregular heart rate. See causes, symptoms, risks, and diagnosis. We offer helpful resources on this condition.

Heart Rate Myths and Facts: Normal Heart Rate, Resting Heart Rate ...


May 21, 2015 ... WebMD explains myths and facts about heart rates, including what an erratic heart rate means and the link between your pulse and stress. ... Myth: A normal heart rate is 60-100 beats per minute. ... Many things can cause palpitations, like: ... Myth: If my pulse is fast, it always means I'm stressed out. Stress is ...

Increase in resting heart rate is a signal worth watching - Harvard ...


Sep 21, 2016 ... An increase in your resting heart rate over time may be a signal of heart ... Rheumatoid arthritis (RA) can cause pain and stiffness that makes moving the .... When you take a brisk walk, swim, or bicycle, your heart beats faster ...

Heart Palpitations: Causes, Diagnosis, and Treatments - Healthline


May 11, 2016 ... People with paroxysmal supraventricular tachycardia (PVST) experience a faster- than-normal heart rate. Learn more about the symptoms and ...