26 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

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

1) Check Urine Osmolality:
 > 600 mOsm/kg - Implies extrarenal mechanism
Hypernatremia - Differential ... 1) Check Urine ... renal mechanism 2) ... Euvolemic: Diabetes insipidus ... #nephrology #sodium
Causes of Hypokalemia - Differential Diagnosis Algorithm
Once pseudohypokalemia is ruled out, causes of hypokalemia can be
- Differential ... discrete buckets: 1. ... (low intake) 2. ... transcellular shift) 3. ... #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential ... acidosis (type 1 ... of 2), Ureterosigmoidostomy ... #causes #nephrology ... #potassium
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
Diabetes Insipidus - Diagnosis Algorithm
Tests:
 • Osmolality, Urine AND/OR
 • Osmolality, Serum or Plasma AND
 •
Diabetes Insipidus ... Plasma AND • Sodium ... Osmolality, Urine 1- ... 2 hrs post administration ... #nephrology #differential
Hyponatremia - Diagnosis and Treatment
Hyponatremia is usually caused by the inability to excrete water normally.
Hyponatremia is usually caused ... 1) Is it hypotonic ... 2) Is ADH elevated ... in 100 mL boluses ... #sodium
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... the indicated causes ... the excretion of sodium ... and potassium acid ... #nephrology #differential