Complete blood count and thyroid function tests

for selected patients

tests per year, US (international consensus), at assessment, for selected patients

“Complete blood count and thyroid function studies can be useful for selected patients being Assessed for POTS.”

2015 Heart Rhythm Society expert consensus statement on POTS, IST and vasovagal syncope, recommendations on investigation of POTS, 2015-06

Kind of source

Clinical guideline

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2026-11-06

Daily check

Quote found at the source on 2026-11-06

What to know

Class IIa. Rules out anaemia and thyroid disease as causes of the fast heart rate.

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POTSLab results