20 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
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
- Differential Diagnosis ... • Nephrogenic diabetes ... #Differential #Diagnosis ... #Causes #nephrology ... #sodium #high
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
Polyuria - Differential Diagnosis Algorithm
Polyuria = >3L Urine output / 24 hours
Urine osmolality = 2 (Na
- Differential Diagnosis ... glucose mg/dL]/18 HIGH ... Hyperglycemia, High ... 100 mosm/kg • Diabetes ... #Algorithm #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... • Drugs • Diabetic ... Normal, Renin High ... #Hyperkalemia #Diagnosis ... #algorithm #nephrology
Causes of HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
- Differential Diagnosis ... Succinylcholine • Diabetes ... glycosides • High ... blockers - MCW Nephrology ... #Differential #Diagnosis
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
- Differential Diagnosis ... Sodium >145 mmol/L High ... 300 mmol/kg • Diabetes ... Hypernatremia #Nephrology ... #Differential #Diagnosis
High Anion Gap Metabolic Acidosis (HAGMA) - Differential Diagnosis - GOLDMARK

Glycols - ethylene and propylene glycol
Oxoproline
High Anion Gap Metabolic ... - Differential Diagnosis ... Ketoacidosis - diabetic ... #Differential #Diagnosis ... GOLDMARK #mnemonic #nephrology