12 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential Diagnosis ... Algorithm - Diabetes ... Algorithm #Sodium #nephrology ... #insipidus #DI
Central vs Nephrogenic Diabetes Insipidus - Desmopressin Challenge
Give desmopressin (intranasal, SQ, IV) and monitor UOsm every
vs Nephrogenic Diabetes ... #Nephrogenic #Diabetes ... #Insipidus #DI ... Desmopressin #Challenge #diagnosis ... #nephrology #testing
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... Decreased renal potassium ... • Drugs • Diabetic ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... Poorly controlled diabetes ... Diabetes Insipidus ... • Nephrogenic DI ... #Causes #nephrology
Two-step Copeptin algorithm for differential diagnosis of Diabetes Insipidus (DI)

Baseline Copeptin < 21.4 pmol/L:
 • Arginine-stimulated
for differential diagnosis ... of Diabetes Insipidus ... #Diabetes #Insipidus ... #copeptin #nephrology ... #differential #diagnosis
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
- Differential Diagnosis ... Ureterosigmoidostomy, Diabetic ... #differential #diagnosis ... algorithm #causes #nephrology ... #potassium
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... (Uncontrolled diabetes ... #causes #potassium ... #high #nephrology
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
- Differential Diagnosis ... • Recent IV potassium ... (Uncontrolled diabetes ... #causes #potassium ... #high #nephrology
Hypernatremia - Differential Diagnosis and Treatment
Hypernatremia is almost always due to unreplaced water loss (free water
- Differential Diagnosis ... Diagnosis is primarily ... urine osm (in DI ... post-obstructive 3) Diabetes ... Treatment #management #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Correction of diabetic ... osmotic diuresis, Potassium ... #differential #diagnosis ... #nephrology #magnesium