22 results
Approach to Acid Base Disorders - Evaluation and Differential Diagnosis
1) Start with the Anion Gap (AG).
2)
Diagnosis 1) Start ... 3) Now, look at ... Differential Diagnosis ... Disorders #Evaluation #workup ... Diagnosis #acidosis
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... #Algorithm #Diagnosis ... #Causes #Workup ... #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Urine Osmolarity 3) ... #nephrology #sodium ... #low #uricacid
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential ... Diagnosis Algorithm ... with renal tubal acidosis ... and metabolic alkalosis
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... Workup Algorithm ... • Euvolemic (Low ... Diagnosis #Workup ... #Algorithm #nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... Uglucose Step #3 ... Algorithm #Sodium #nephrology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
3. ... Step 3 - Compensation ... Diagnosis: Causes ... Interpretation #Diagnosis ... #Summary #Nephrology
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Diagnosis Framework ... and Workup NAGMA ... high/normal 3. ... #Diagnosis #Workup ... #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Metabolic Alkalosis ... • Normal/low ... urine #Algorithm #nephrology ... #differential # ... diagnosis
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
Workup for Hypophosphatemia ... - Differential ... Diagnosis Framework ... Glucose, Acute resp. alkalosis ... #nephrology