22 results
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Differential Diagnosis ... 1) Check Urine ... renal mechanism 2) ... Diagnosis #Workup ... #sodium
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... water retention 1) ... Serum Osmolarity 2) ... #nephrology #sodium
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... Diabetes Insipidus Workup ... Step #1 - Consider ... history Step #2
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... 1 . ... Repeat the sodium ... Step 2. ... #Diagnosis #Workup
Hyponatremia Differential Diagnosis Table

 • Step 1: Correct for hyperglycemia. Corrected Na = [(glucose - 100)/
Hyponatremia Differential ... Diagnosis Table ... • Step 1: Correct ... Diagnosis #Table ... #nephrology #sodium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
+K / serum Na >1 ... can be high or low ... #differential # ... diagnosis #table ... #sodium #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Metabolic Alkalosis - Differential ... Diagnosis Algorithm ... Volume Depleted - 2° ... Volume Expanded - 1° ... #Nephrology #Causes
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Diagnosis Algorithm ... Volume Depleted 2° ... Volume Expanded 1° ... Adenoma, BAH, AME, GRA ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
discrete buckets: 1. ... filling of bucket (low ... intake) 2. ... #Causes #workup ... #nephrology
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
2) PTH - Frankly ... check the urine Ca ... %) - Low normal ... #differential # ... diagnosis #endocrinology