Inappropriate sinus tachycardia history and symptoms

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Symptoms reported by patients vary in frequency and severity. Symptoms associated with Inappropriate sinus tachycardia include:

• Blurred vision
• Frequent palpitations
• Dyspnea (shortness of breath) and palpitations on exertion
• Pre-syncope (feeling as if about to faint)
• Fatigue
• Dizziness
• Exercise intolerance
• Occasional paresthesia and cramping
• Symptoms associated with autonomic nervous system disturbance, including GI disturbance
• Orthostatic hypotension with a drop in blood pressure on standing

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