32 results
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
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
water retention 1) ... Serum Osmolarity 2) ... Urine Osmolarity 3) ... Urine Sodium 4) ... #nephrology #sodium
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... discontinued) 3. ... Diagnosis #Causes #Workup ... #Nephrology
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Diabetes Insipidus Workup ... Step #1 - Consider ... history Step #2 ... Uglucose Step #3 ... #Sodium #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
recessive salt-losing ... prevalence of 1- ... thiazide-sensitive sodium-chloride ... H+ secretion → Hypokalemia ... Pathophysiology #nephrology
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
Workup of Hypercalcemia ... Low PTH: • High ... PTHrP: - Low ... Intoxication - High 1, ... #Workup #nephrology
Treatment of hyperkalemia via kaliuresis 
step 1 = volume resuscitation if hypovolemic
step 2 = consider fludrocortisone
step
kaliuresis step 1 ... hypovolemic step 2 ... fludrocortisone step 3 ... diuretics #diuresis #nephrology ... #algorithm
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting, NGT
Differential Diagnosis Algorithm ... Volume Depleted 2° ... Bartter Syndrome, Gitelman ... Volume Expanded 1° ... #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... Volume Depleted - 2° ... Bartter Syndrome, Gitelman ... Volume Expanded - 1° ... #Nephrology #Causes
Hypernatremia - Differential Diagnosis Workup Algorithm

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Algorithm 1) ... renal mechanism 2) ... • Euvolemic (Low ... #Algorithm #nephrology ... #sodium