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Causes. Tachycardia is an increased heart rate for any reason. If a fast heart rate is caused by exercise or stress, it's called sinus tachycardia. Sinus tachycardia is a symptom, not a condition. Most heart conditions can lead to different forms of tachycardia. Irregular heart rhythms, called arrhythmias, are one cause.
Your heart rate might be high because of stress, caffeine, illness, or a lack of sleep. Your recent food and water intake, and even some medications and supplements, can lead to a higher heart rate. But there are also important medical conditions that make the pulse race.
Rapid heart rate can cause an uncomfortable feeling, particularly when it occurs suddenly, as with certain abnormal heart rhythms, or arrhythmias. Symptoms can include the following: When rapid heart rate is accompanied by chest pain, shortness of breath, or fainting, seek medical attention immediately.
Tachycardia is a heart rate that’s faster than normal, or more than 100 beats per minute at rest. It can start in your upper or lower chambers of your heart and can range from mild to life-threatening.
Above 90 is considered high. An increase in your resting heart rate over time may be a signal of heart trouble ahead. What influences your resting heart rate? Many factors influence your resting heart rate. Genes play a role. Aging tends to speed it up. Regular exercise tends to slow your heart rate down. (In his prime, champion cyclist Miguel ...
Tachycardia is when the heart beats too fast, at a rate of more than 100 beats per minute, when at rest. This can depend on age, health status and physical condition. Learn about the types of tachycardias:
Tachycardia is the medical term for an elevated resting heart rate, which can occur when your heart beats more than 100 times per minute. Several factors can cause your heart to beat...
“A high resting heart rate may be a symptom of something that should be monitored carefully, including by a health care provider,” says Chris Scott, Ph.D., a professor of sports medicine at...
However, an unusually high resting heart rate or low maximum heart rate may signify an increased risk of heart disease or other medical condition. When you are at rest, your heart is pumping the lowest amount of blood to supply the oxygen your body's needs.
When a person has abnormal tachycardia, the faster-than-normal heartbeat can prevent the chambers of the heart from filling efficiently with blood between contractions of the heart muscle. This, in turn, can result in a reduction of cardiac output, or in other words, reduced blood supply to the rest of the body's organs.