False Positive Lupus Anticoagulant
UpdatedCan melatonin cause elevated PTT (partial thromboplastin time), AND can it cause a false positive lab test for lupus anticoagulant?
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PATIENT SEEN PRE-OP FOR POSSIBLE ENDOSCOPY/COLONOSCOPY AND PROCEDURE IN HIS 70'S FOR FIRST TIME FOUND TO HAVE ELEVATED AND ISOLATED PTT. THIS IS FIRST DESPITE MULTIPLE PRIOR SURGERIES, ETC. AND ??RELATED TO STARTING MELATONIN IN DOSES UP TO 5 MG AT NIGHT WITHIN LAST 9 MONTHS?
NO OTHER CHANGES IN MEDS TO EXPLAIN.
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