Labs Flashcards
CBC Fishbone
Hgb over hct
Right platletes
Left wbc
Approximate normal hct
3x hgb
Elevated H/H
Dehydration, COPD, high altitude, or polycythemia
Leukocytosis
> 10K
Bacterial infection, inflammation, neoplasm, steroid use
Leukopenia
<5K
Viral infection, overwhelming bacterial infection, bone marrow failure, drug toxicity, autoimmune dz
Neutrophils
Bacterial infections
Eosinophils
Fungal
Parasitic
Allergic
Basophils
Allergic
Lymphocytes
Viral
Monocytes
Severe infections
Chronic inflammation
Reactive thrombocytosis causes
Acute blood loss, malignancy, inflammatory conditions, trauma, infection
Polycythemia Vera
Elevated h/h and platelets
Chronic Myeloproliferayive neoplasm
BUN interpretation
Low in liver dz, overhydration, low protein diet
elevated in renal dz, UGIB, and high protein diet
Cr has in inverse relationship with
GFR
BUN/Cr ratios
> 20:1 prerenal/perfusion
10:1 intrinsic renal/filtration
Variable post renal/obstruction