Ischemic stroke laboratory findings

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Aysha Anwar, M.B.B.S[2]

Laboratory Findings

Labortary tests may help determine the risk factors complications of ischemic stroke. Blood tests which may be performed include:

Blood test	Test result	Rationale
Complete blood count	Leukocytosis and Thrombocytosis polycythemia thrombocytopenia,	May suggest underlying infection Increased risk of thrombotic event May increase the risk of bleeding in pateints eligible for thrombolytic therapy
Lipid profile	Increased LDL, triglycerides and cholesterol	May increase the risk of thromboembolic event
PT/APTT/INR	Increased PT/APTT/INR	May increase the risk of bleeding in patients eligible for anticoagualant therapy May suggest underlying coagulation disorder
BUN/Creatinine	Increased BUN and creatinine	Mild to moderate renal dysfunction is an independant risk factor for ischemic stroke May be associated with poor prognosis in patients with ischemic stroke
Serum homocysteine level	Increased levels of serum homocysteine levels	May be associated with increased risk of thromboembolic event
Basic metabolic panel	Increased or decreased serum NA2+, K+, Ca2+	May mimic or complicate patients with ischemic stroke
HbA1C	Increased levels of HbA1c	May suggest control of diabetes in past few months Increased levels associated with increased risk of ischemic stroke May be associated with poor prognosis in patients with ischemic stroke
Blood glucose levels	Increased or decreased levels of blood glucose	Hyperglycemia is associated with poor prognosis of ischemic stroke Hypoglycemia may complicate or mimic patients with ischemic stroke
*Cardiac enzymes	Increased serum levels of Trop I, Trop T, CK-MB	May suggest ongoing myocardial ischemia
Pregnancy test	Serum and urine B-HCG	Rule out pregnancy in all female patients with ischemic stroke since t-PA is a class C agent

References

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