What are symptoms of autonomic dysfunction? Tachycardia up to 190bpm?

Other cause fr tachy. Pl see link for a brief overview of autonomic dysfunction which generally does not include tachycardia in this range. If this is usual heart rate it could indicate SVT necessitating a cardiac evaluation and treatment to slow down the heart rate as indicated.
Fast heart rate. Different types. slow stomach movements. Lightheaded or passing out when you stand up. Sudden fast heart rate (one cause). Do you have excessive flexibility of the fingers? See an internist and show him this note.

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