Acquired Vitamin K Deficiency as Unusual Cause of Bleeding Tendency in Adults: A Case Report of a Nonhospitalized Student Presenting with Severe Menorrhagia

Table 1

Laboratory findings in our case report.

	Result	Unit
Liver function tests
AST	17	U/L
ALT	15	U/L
Total bilirubin	0.48	Mg/dL
Direct bilirubin	0.17	Mg/dL
Albumin	4	g/dL
Alkaline phosphatase	110	U/L
Collagen-vascular disease tests
ANA	Negative
anti-dsDNA	Negative
ACLA	Negative
APLA	Negative
Thyroid function tests
TSH	1.97	µIU/ml
T4	102.70	nmol/L
T3	1.27	nmol/L

AST: aspartate aminotransferase, ALT: alanine aminotransferase, ANA: antinuclear antibody, anti-dsDNA: anti-double-stranded DNA, ACLA: anticardiolipin antibodies, APLA: antiphospholipid antibodies, TSH: thyroid-stimulating hormone, and T4: thyroxine.