75 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... • Metabolic acidosis ... loss (Diarrhea) Renal ... #nephrology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Algorithm Low ... oral intake Renal ... tubular acidosis ... • Bartter's syndrome ... Algorithm #Causes #Classification
Renal Tubular Acidosis (RTA) 
Type 1 - Failure of secretion
Type 2 - Bicarbonate wasting
Type 4 -
Renal Tubular Acidosis ... salt diet #Renal ... #Tubular #Acidosis ... #RTA #types #classification ... #nephrology #diagnosis
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Normal Anion-Gap Acidosis ... - Differential Diagnosis ... Framework and Workup ... #Differential #Diagnosis ... #Workup #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... #Differential #Diagnosis ... #Low #Magnesium ... #Table #Classification ... #Causes #Workup
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... Rhabdomyolysis, Tumor lysis syndrome ... Shift: • Lactic acidosis ... CKD Increased Renal ... #phosphate #nephrology
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
- Differential Diagnosis ... Workup Algorithm ... mOsm/kg - Implies renal ... • Euvolemic (Low ... #nephrology #sodium
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential Diagnosis ... FEPO4 ≥ 5% - Renal ... • Normal or Low ... #phosphate #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... - Differential Diagnosis ... Hypercalcemia Low ... PTHrP: - Low ... #nephrology #PTH
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
Gap Metabolic Acidosis ... - Differential Diagnosis ... with short bowel syndrome ... ketoacidosis Renal ... GOLDMARK #mnemonic #nephrology