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 35
30s 72
40s 50
50s 32
60s 17
70+ 7

Distribution of sex

Sex

Sex Proportion # of patients
Male 22
Female 193

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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.



Common symptoms reported by people with inappropriate sinus tachycardia

Common symptoms
How bad it is
What people are taking for it

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.
Last updated:



Treatments taken by people for inappropriate sinus tachycardia

Let’s build this page together! When you share what it’s like to have inappropriate sinus tachycardia through your profile, those stories and data appear here too.

Got a question about living with inappropriate sinus tachycardia? Members in the forum might have the answers.


Compare treatments taken by people with inappropriate sinus tachycardia

Let’s build this page together! When you share what it’s like to have inappropriate sinus tachycardia through your profile, those stories and data appear here too.

Got a question about living with inappropriate sinus tachycardia? Members in the forum might have the answers.



Who has inappropriate sinus tachycardia on PatientsLikeMe?

  • 2 new patients joined this month
  • 112 say inappropriate sinus tachycardia is their primary condition

Age
Age Proportion # of patients
<20 0
20s 35
30s 72
40s 50
50s 32
60s 17
70+ 7
Age at first symptom
Age at first symptom Proportion # of patients
0-19 years 24
20-29 years 16
30-39 years 21
40-49 years 9
50-59 years 5
60-69 years 2
70+ years 0

Distribution of sex

Sex
Sex Proportion # of patients
Male 22
Female 193

Diagnosis status
Diagnosis status Proportion # of patients
Diagnosed 91
Not Diagnosed 4

These charts show data from inappropriate sinus tachycardia patients who have completed their condition history
Last updated: