Inappropriate sinus tachycardia is defined as a heart rate greater than 100 beats per minute (bpm) with an average mean heart rate greater than 90bpm over 24 hours not due… Click to show full abstract
Inappropriate sinus tachycardia is defined as a heart rate greater than 100 beats per minute (bpm) with an average mean heart rate greater than 90bpm over 24 hours not due to appropriate physiologic response or primary abnormality. The presence of troublesome symptoms such as palpitations, shortness
               
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