What is inappropriate sinus tachycardia?

Inappropriate sinus tachycardia (IST) is an elevated heart rhythm. The mechanism is not well understood. The normal heart rate is considered to be 60 to 100 beats/min, with sinus tachycardia being defined as a rate exceeding 100 beats/min.

How do members experience inappropriate sinus tachycardia?

Top 5 symptoms reported by people with inappropriate sinus tachycardia*

*Reports may be affected by other conditions and/or medication side effects. We ask about general symptoms (anxious mood, depressed mood, fatigue, pain, and stress) regardless of condition.

Top treatments taken by people for inappropriate sinus tachycardia*

Who has inappropriate sinus tachycardia on PatientsLikeMe?

Age

Age Proportion # of patients
<20 0
20s 36
30s 57
40s 46
50s 28
60s 17
70+ 6

Distribution of sex

Sex

Sex Proportion # of patients
Male 19
Female 173