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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


Mar 23, 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:.

Tachycardia Causes - Mayo Clinic


Tachycardia is caused by something that disrupts the normal electrical ... Atrial fibrillation is a rapid heart rate caused by chaotic electrical impulses in the atria.

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


Heart palpitations are a feeling that your heart is beating too hard or too fast, skipping a beat, or fluttering. You may notice heart palpitations in your chest, throat, ...

Tachycardia: Causes, Symptoms and Treatments - Medical News ...


Sep 21, 2015 ... Tachycardia refers to an abnormally fast resting heart rate - usually at least 100 beats per minute. Read our article to learn about the causes, ...

Rapid Heart Beat - Managing Side Effects - Chemocare


There are many other causes of a rapid heartbeat, including: Infection in the lung, ... Smoking can cause palpitations and increased heart rate. If you smoke, be ...

A High Heart Rate-What Can It Possibly Mean For You? - Azumio


Jan 10, 2013 ... A high heart rate can be due to many factors, such as physical activity, panic, stress, or anxiety ... Tachycardia can be caused by several factors:.

Symptoms & Diagnosis - Heart Rhythm Society


Although it may seem as if the heart missed a beat, it has really had an early ... Sudden rapid, irregular and chaotic heartbeats may be a sign of a common heart  ...

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 ...

Heart palpitations: MedlinePlus Medical Encyclopedia


If your heart rate is fast (over 100 beats per minute), this is called tachycardia. ... palpitations are due to an abnormal heart rhythm, which may be caused by:.

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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 ...


"It might be OK to have a resting heart rate of 80, but it doesn't mean you're healthy," Steinbaum says. related content ... Many things can cause palpitations, like: ... Myth: If my pulse is fast, it always means I'm stressed out. Stress is just one  ...

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


Dec 21, 2011 ... Featured Content: Do habits cause your neck pain? .... An increase in your resting heart rate over time may be a signal of heart trouble ahead. Your heart rate ... it with blood. Losing weight can help slow an elevated heart rate.