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Abstract Background Inappropriate sinus tachycardia (IST) is characterized by persistent and disproportional elevation of heart rate (HR). Ivabradine has been successfully used in some patients.

Introduction Inappropriate sinus tachycardia (IST) and postural orthostatic tachycardia syndrome (POTS) are complex dysautonomia-related conditions characterized by abnormal heart rate (HR) responses ...

Sinus tachycardia is frequently encountered in clinical practice but is often overlooked. It comprises four distinct rhythm disturbances namely normal sinus tachycardia, inappropriate sinus ...

Inappropriate sinus tachycardia, which is rare, occurs when the heart rate increases for no apparent reason. It could be the result of a nerve-signaling problem in the heart.

Junctional Tachycardia Junctional tachycardia is a type of nonreentrant SVT. 6 This arrhythmia arises from the AV junction. Sinus tachycardia is categorized as physiologic or inappropriate.

Most people with inappropriate sinus tachycardia note palpitations, but loss of endurance and decreased exercise tolerance are other common symptoms. Before getting treated, it’s important to make ...

'Inappropriate' Sinus Tachycardia Does the 100 Beats per min Cut-off Matter? Rashmi U Hottigoudar; Rakesh Gopinathannair Disclosures Future Cardiol. 2013;9 (2):273-288.

Inappropriate sinus tachycardia (IST) is a condition that causes an abnormally high resting heart rate. WebMD explains the causes, symptoms, and treatment of IST.

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AV nodal reentrant tachycardia (AVNRT) is an arrhythmia originating in the AV node & is the most common supraventricular tachycardia (SVT).