Overview POTS Adrenergic Ab (CIHR Aims #1&2) Status: Recruiting Trial end date: 2023-12-01 Target enrollment: Participant gender: Summary Objective: In this pilot study, we will test the hypothesis that patients with POTS (age 18-60 years) will have a higher percentage of functional antibodies to adrenergic receptors compared with control subjects without POTS. Details Lead Sponsor: University of CalgaryTreatments: Adrenergic AgentsIsoproterenolOxymetazolinePhenylephrine