22 results
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, ... - Nephrotic syndrome ... - Acute and chronic ... kidney disease ... Vomiting - Diarrhea
Causes of Anemia by Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Low Mean Corpuscular Volume (<80
Volume (MCV) - Differential ... Diagnosis Algorithm Low ... #Anemia #MCV #Classification ... #Differential # ... Algorithm #Causes #Hematology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Magnesium #Table #Classification
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Hypophosphatemia - Differential ... Malabsorption, Chronic ... diarrhea, Poor ... • Normal or Low ... Workup #phosphate #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia - Differential ... Appropriately Low ... GI Absorption: Chronic ... Diarrhea, Antacids ... Diagnosis #Algorithm #nephrology
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Erythrocytosis) - Differential ... • Burns • Diarrhea ... JAK-2 Positive - Low ... Smoking, Snoring Chronic ... Sleep Apnea • Chronic
Causes of Chronic Diarrhea - Differential Diagnosis
Osmotic
 • Food/Drink: Lactose intolerance, Artificial sweeteners (e.g. sorbitol, high
Causes of Chronic ... Diarrhea - Differential ... #Diarrhea #Causes ... #Differential # ... #inflammatory #classification
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
Autoimmunity • Chronic ... • Infectious diarrhea ... : • Nephrotic syndrome ... Malignancies • Chronic ... (Epstein-Barr syndrome
Diagnostic Framework for Anemia (Morphological Approach - MCV)
Low MCV - <80fL - "Microcytic"
 • Iron deficiency
Approach - MCV) Low ... kidney disease, ... Myelodysplastic syndrome ... morphologic #mcv #differential ... diagnosis #causes #hematology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
alkalosis • Normal/low ... diuretic use, Bartter syndrome ... , Gitelman syndrome ... urine #Algorithm #nephrology ... #differential #