16 results
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Appropriately Low ... : • Decreased GI ... Absorption: Chronic ... Diarrhea, Antacids ... #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... FEPO4 < 5%: • GI ... Malabsorption, Chronic ... diarrhea, Poor ... #phosphate #nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
Hypokalemia - Differential ... Diagnosis Algorithm ... Non-renal losses: • GI ... losses (NG suction, diarrhea ... #nephrology #low
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
- GI Losses - Redistribution ... by Dr Zalman Agus ... Hypophosphatemia #phosphorus #low ... #differential # ... nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Diagnosis Algorithm ... filling of bucket (low ... time (urinary or GI ... #Causes #workup ... #nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Framework and Workup ... hyperchloremia - GI ... - Diarrhea - ... Surgical drains - Chronic ... #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic ... diarrhea / IBD ... Hypomagnesemia #Differential ... #Diagnosis #Low ... Classification #Causes #Workup
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Diagnosis Algorithm ... mannitol, glucosuria Low ... access to water GI ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Diagnosis Workup ... Algorithm 1) ... Hypovolemic (H2O loss): GI ... • Euvolemic (Low ... #Algorithm #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
the anion gap GI ... net charge) • Diarrhea ... RTA Type II • Carbonic ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology