Inappropriate Sinus Tachycardia (IST) is a type of Dysautonomia! #chronicillness #dysautonomia #ist
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Inappropriate Sinus Tachycardia (IST) is a type of Dysautonomia! #chronicillness #dysautonomia #ist
1.1K views2 months ago
YouTubeVitassium by SaltStick
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