CBC, coags, type and screen, chem 10
Urinalysis
CT head if neuro symptoms
CXR
Consider initiating inpatient testing with: Total protein, albumin, SPEP, UPEP, IgA, IgG, IgM
Note: ABGs might have SaO2 vs. SpO2 discrepancies
Causing spurious hypoxemia on ABG, with low PaO2 (as opposed to dyshemoglobinemia)
Due to "leukocyte larceny," "platelet larceny"
Excessive O2 consumption by WBCs or platelets following blood sample collection
Causing spurious hypoxemia on ABG, with low PaO2 (as opposed to dyshemoglobinemia)
Due to "leukocyte larceny," "platelet larceny"
Excessive O2 consumption by WBCs or platelets following blood sample collection
Symptoms of<unk>  can appear when one of the following occur:
Red cell mass > 25% of normal
Platelets >600,000/µL
Leukocytosis >100,000
Serum viscosity >4-5cP (normal 1.4-1.8cP) or Globulin gap (Total protein - albumin) > 4
Hyperviscosity syndrome
Detailed differential can be found on each page
Uremic bleeding syndrome
Stroke
Cytokine release syndrome
Altered mental status
Tumor lysis syndrome
Chest pain