NephSim (www.nephsim.com) @Neph_Sim
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nephsim.com is a free educational tool that uses interactive cases, media, and infographics to teach nephrology topics including glomerular diseases, acid/base disorders, kidney transplant, electrolyte abnormalities, dialysis, & more! https://twitter.com/Neph_Sim
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Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Primary Metabolic ... hyperaldosteronism • Low Urine ... (late) • High Urine ... syndrome #Primary #Metabolic
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... hyperaldosteronism • Low Urine ... (late) • High Urine ... aldosteronism #Metabolic
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Primary Metabolic ... hyperaldosteronism • Low Urine ... (late) • High Urine ... aldosterone escape #Metabolic
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Status, Check Urine ... Na, Urine Osm
Urine Microscopy Instructions - How to spin urine

1. Collect a fresh urine sample (5 – 10
Urine Microscopy ... - How to spin urine ... Collect a fresh urine ... Transfer the urine ... If you have a urine
GOLDMARK - Mnemonic for Anion Gap Metabolic Acidosis
G - Glycols
O - Oxoproline
L - L-Lactate
D - D-Lactate
M
for Anion Gap Metabolic ... Mnemonic #AnionGap #Metabolic
Urine Microscopy - Kidney Stones and Crystals 

Uric Acid, Cystine, Hippurate, Cloth Fiber, Tyrosine, CaOx, CaP,
Urine Microscopy ... @Neph_Sim #Urine
Urine Microscopy and Casts - Image Atlas Key

- Squamous Epithelial Casts
- Transitional Epithelial Cells
- Renal Tubular
Urine Microscopy ... JoseTesser) #Urine
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
Polyuria = >3L Urine ... output / 24 hours Urine ... mg/dL]/18 HIGH urine ... , Azotemia LOW urine
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
UOP/weights - Urine