8 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Diagnostic Algorithm ... - GI Losses - Redistribution ... #phosphorus #low ... #diagnosis #Algorithm
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... FEPO4 < 5%: • GI ... • Normal or Low ... - Normal or Low ... Diagnosis #Framework #Workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... Differential Diagnosis Algorithm ... Appropriately Low ... : • Decreased GI ... nephrology #phosphorus #workup
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... Differential Diagnosis Algorithm ... Extravascular deposition: Hyperphosphatemia ... #Hypocalcemia #Workup ... Differential #Diagnosis #Algorithm
Hypocalcemia - Differential Diagnosis Algorithm
 • Low Serum Mg: GI losses, Renal losses, Alcoholism, Malnutrition, Drug-Induced
Differential Diagnosis Algorithm ... : GI losses, Renal ... Serum 25-OH Vit D: GI ... severe illness, Hyperphosphatemia ... Differential #Diagnosis #Algorithm
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Differential Diagnosis Algorithm ... filling of bucket (low ... time (urinary or GI ... Differential #Diagnosis #Algorithm ... #Causes #workup
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Mechanism Decreased GI ... hypomagnesemia Excessive GI ... Differential #Diagnosis #Low ... Magnesium #Table #Classification ... #Causes #Workup
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis Workup ... Algorithm 1) ... Hypovolemic (H2O loss): GI ... • Euvolemic (Low ... #Algorithm #nephrology