Chronological events and blood analysis results (part 1)	May 11 (ER)	May 13 (ER)	May 18	Family Practitioner (May 22)	May 23 (ER)	May 27–28 (ER)	June 1 (ER)
Events	Admitted in the ER due to gingival bleeding. Managed with local noninvasive treatment by plastic surgery.	Admitted in the ER due to gingival bleeding. Managed with local noninvasive treatment by plastic surgery.	Seen by the Dentist ‐ local treatment. Before the small surgery, it was stopped one of the antiplatelet agents and rivaroxaban.	Persistant mild gingival bleeding in the same spot. Not taking one of the antiplatelet agents and rivaroxaban.	No more bleeding. Decided to discharge and keep those two medications suspended until new evaluation.	Macroscopic hematuria and dizziness. Assumed cystitis and sent home with antibiotics.	The patient was started on Prednisolone 40 mg/day (~ 0.5mg/kg/day). Waiting to be admitted to the medical yard.
Hemoglobin				9.3 g/dl	10.5 g/dl	9.3 g/dl	9.9 g/dl
Activated partial thromboplastin time (aPTT)				71.5 seconds (s)	86.8 s	108.6 s	105.6 s
Thrombin time (PT)					11.4 seconds (INR 1.0)
aPTT FS						60.9 s
Functional FVIII						0.1% (only available a few days later)	0.8%
Rivaroxaban blood value						< 10 ng/ml
anti‐FVIII inhibitor title							65 UB