7 results
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential Algorithm ... Acidosis - RTA - Diarrhea ... Metabolic alkalosis ... #Diagnosis #Causes ... #Workup #Nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... Congenital chloride diarrhea ... acidosis due to diarrhea ... #Algorithm #nephrology ... #differential #diagnosis
Acid Base and Blood Gas Analysis
1. pH - What’s the primary disturbance?
2. pCO2 - What’s the
obstruction • COPD ... Vomiting D - Diarrhea ... nickmmark #acidbase #workup ... #algorithm #diagnosis ... #acidosis #alkalosis
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... leukemia Measure Urine ... Malabsorption, Chronic diarrhea ... Glucose, Acute resp. alkalosis ... #phosphate #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... Algorithm Hypernatremia ... Osmotic diuresis (see ... loss • Watery Diarrhea ... Hypernatremia #Nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Absorption: Chronic Diarrhea ... Acute Respiratory Alkalosis ... #Algorithm #nephrology ... #phosphorus #workup
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
A urine K/Cr ratio ... Laxative use • Diarrhea ... - Metabolic Alkalosis ... #Hypokalemia #diagnosis ... #potassium #nephrology