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Updated: Jan 7, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
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Spuriously Elevated Free Thyroxine Due to Fibrin Interference in a Patient Receiving Apixaban: A Case Report and

Takahiro Suzuki1, Kenji Ohba2,3, Akiko Agata4

  • 1Department of Gastroenterology, Hamamatsu Red Cross Hospital, Japan.

Internal Medicine (Tokyo, Japan)
|January 4, 2026
PubMed

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Keywords:
DOACFT4SITSHfibrin interference