Browse our Health Library to learn about treatments, conditions, and how Cedars-Sinai can support your healthcare needs.

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Inappropriate Sinus Tachycardia

Inappropriate sinus tachycardia (IST) is a health problem in which the heart beats very quickly without a good reason. It is a type of heart rhythm abnormality called an arrhythmia.

ICD: Implantable Cardioverter Defibrillator

An ICD helps people with serious heart rhythm problems. It sits in the chest, and sends a shock to the heart when it senses an abnormal rhythm. See how it works, and how it saves lives.

Showing 1 - 2 of 2 results.
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