5 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
3) Now, look at ... , chronic, or acute ... bicarb, Bicarb shift ... • Metabolic Alkalosis ... #Evaluation #workup
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Low Kidney Phosphate ... Transcellular Shift ... Refeeding Syndrome, Acute ... Respiratory Alkalosis ... #Algorithm #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... Transcellular Shift ... resp. alkalosis ... Denosumab, Estrogen based ... #phosphate #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... /low blood pressure ... poisoning Normal acid-base ... #nephrology #differential ... #diagnosis
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Algorithm Cause ... Decreased Intake: • Low ... secretion • Acid-base ... components of acid-base ... #Nephrology #Chloride