6 results
Fractional Excretion of Sodium - FENa
Fractional Excretion of Sodium (FENa) = (Urine Na+ x Serum Cr)
Fractional Excretion ... = (Urine Na+ x Serum ... Cr) / (Serum Na ... #Sodium #nephrology ... #calculation #diagnosis
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Fractional excretion ... x serum creatinine ... )/ [0.7 (serum magnesium ... #differential #diagnosis ... #causes #nephrology
Magnesium Absorption and Pathophysiology 
Magnesium Absorption: 
 • absorbed in the GIT — small intestine, Saturable
and Pathophysiology ... tissue, 1% in serum ... red blood cell Excretion ... #Absorption #Pathophysiology ... Mg #transport #nephrology
Fractional Excretion of Urea - FEurea
Fractional Excretion of Urea (FEurea) = (Urine Urea x Serum Cr)
Fractional Excretion ... (Urine Urea x Serum ... Cr) / (Serum Urea ... #Urea #FEUrea #nephrology ... #calculation #diagnosis
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Etiology: • Pathophysiology ... factor PRES Diagnosis ... CTA • Anterior circulation ... • Magnesium correction ... #management #neurology
#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
100 Fractional Excretion ... 100 Fractional Excretion ... НСО3) Anion Gap (Serum ... MediCalc® 7 Medical Calculator ... : 2 - 4mg/min Magnesium