The purpose of this study is to determine whether etripamil nasal spray (NS) 70 mg is superior to placebo at terminating episodes of Paroxysmal Supraventricular Tachycardia (PSVT) in an outpatient setting.
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Study Coordinators and Research Nurses cannot give medical advice over the phone. Telephone numbers and email addresses are provided for obtaining additional information on specific research studies only. If you have specific questions which require clinical expertise, please call your primary care physician.