14 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Algorithm Transcellular ... • Small bowel diarrhea ... • Anorexia • Chronic ... Diarrhea #Hypophosphatemia
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... Framework Rule ... Malabsorption, Chronic ... diarrhea, Poor ... • Normal or Low
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential Diagnosis ... Low Kidney Phosphate ... GI Absorption: Chronic ... Diarrhea, Antacids
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential Diagnosis ... Algorithm - Urinary ... Congenital chloride diarrhea ... - Normal/low ... diarrhea, Kidney
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... Algorithm Hypernatremia ... Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea
What is the difference between ischemic colitis and mesenteric ischemia?
A common misnomer. Mesenteric ischemia and ischemic
initial treatment algorithms ... to nonocclusive low ... tenderness, bloody diarrhea ... #differences #diagnosis ... #table
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
- Differential Diagnosis ... Framework and Workup ... Loss of HCO3 - Diarrhea ... Surgical drains - Chronic ... #Differential #Diagnosis
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
- Differential Diagnosis ... Algorithm Relative ... • Burns • Diarrhea ... JAK-2 Positive - Low ... #Algorithm #Causes
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... diarrhea • Kidney ... Chloride #urine #Algorithm ... #differential #diagnosis
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... diarrhea / IBD ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification