21 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Insipidus Workup ... Step #1 - Consider ... history Step #2 ... Uglucose Step #3 ... #Sodium #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
Causes of Hypokalemia ... discrete buckets: 1. ... (low intake) 2. ... #Algorithm #Causes ... #workup #nephrology
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... discontinued) 3. ... #Diagnosis #Causes ... #Workup #Nephrology
Simplified Approach to Acute Kidney Injury (AKI)
1) IS THIS AN EMERGENCY? 
Is there a dialysis indication
) 1) IS THIS AN ... 2) HISTORY/PHYSICAL ... common culprits: Hypovolemia ... (e.g NSAlDs) 3) ... #diagnosis #nephrology
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
- Diagnosis Algorithm ... Plasma AND • Sodium ... Osmolality, Urine 1- ... 2 hrs post administration ... #Diagnosis #Algorithm
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Workup Algorithm ... 1) Check Urine ... renal mechanism 2) ... #Workup #Algorithm ... #nephrology #sodium
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
1 . ... Repeat the sodium ... Step 2. ... administration Step 3. ... #Workup #Algorithm
Hyponatremia - Diagnostic Evaluation Algorithm

Step 1: Consider whether Posm may actually be normal or elevated
Step 2:
Step 1: Consider ... elevated Step 2: ... Gravity Step 3: ... Consider additional tests ... #Workup #Evaluation
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
normal volume-based algorithm ... +K / serum Na >1 ... Present (Uosm ≥100): Hypovolemia ... #differential #diagnosis ... #nephrology
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Hypertension - Workup ... and Differential Diagnosis ... should be done): 1. ... • Other: 1. ... Neurologic disorders