18 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
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
- Differential Diagnosis ... Diabetes Insipidus ... • Nephrogenic DI ... Hereditary, Lithium, Hypercalcemia ... #Causes #nephrology
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 HyperKalemia - Differential Diagnosis
Increased extracellular K+:
 • Tissue injury
 • Hemolysis
 • Rhabdomyolysis
 •
Causes of HyperKalemia ... - Differential Diagnosis ... Succinylcholine • Diabetes ... blockers - MCW Nephrology ... #Differential #Diagnosis
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
Classification of Diabetes ... causes (e.g., hypokalemia ... , hypercalcemia) ... Classification #Types #Nephrology ... #Diagnosis #Differential
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... • Drugs • Diabetic ... • Type 1 #Hyperkalemia ... #Diagnosis #algorithm ... #nephrology #potassium
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
Causes of Hypokalemia ... - Differential Diagnosis ... Ureterosigmoidostomy, Diabetic ... #differential #diagnosis ... algorithm #causes #nephrology
Hyperkalemia - Differential Diagnosis Framework

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

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