4 results
Red Blood Cell (RBC) Morphology
Microcytic RBC: Pyridoxine deficiency, Thalassemia, Iron deficiency anemia, Chronic disease anemia (sometimes),
Red Blood Cell ( ... RBC) Morphology Microcytic ... RBC: Vitamin B12 ... Chemotherapy (e.g ... #BloodCell #RBC
Anemia Diagnostic Algorithm

Mean corpuscular (cell) volume (MCV): Average RBC size. Under 80 = microcytic. Between 80-95
Under 80 = microcytic ... Red cell distribution ... (EPO), iron or B12 ... of substrate (e.g ... Workup #Hematology #Microcytic
Vitamin B12 (Cobalamin) Deficiency
Etiology:
 • Vit B12 - aka cobalamin. Present in foods derived from animal
Vitamin B12 (Cobalamin ... Etiology: • Vit B12 ... dietary intake (e.g ... : • Worsening macrocytic ... , can consider IM
#ICUCard
RENAL
GFR
90-131
mL/min
((140-age)*Wt)/(72*Cr)
Glomerular Filtration Rate (Cockcroft)
CI Cr
90-131
mL/min
(CrU * volume)/CrS
Creatinine Clearance
FENa
0.0-1.0
%
((U/P Na)/(U/P Cr))*100
Fractional Excretion of Na+
Na req
mEq
(125-Na)*0.6*Wt
Required Sodium
FE Urea
Excretion of Na+ Na req ... of ScyMed 6th Ed ... Bumetanide: IV or IM ... over 12-24hours ... x4 q15-30min) *IM