14 results
Hypernatremia Differential Diagnosis Algorithm - Diabetes Insipidus Workup

Step #1 - Consider the history
Step #2 - Assess
Hypernatremia Differential ... Diagnosis Algorithm ... #Management #Algorithm ... #Sodium #nephrology ... #insipidus #DI
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis ... Algorithm UOsm ... Vasopressin-independent - Consider: Primary ... #diagnosis #differential ... #nephrology
Hyperkalemia: Diagnostic algorithm
Decreased renal potassium excretion
 • Acute renal failure
 • Chronic renal failure
 • Drugs
Increased
Hyperkalemia: Diagnostic ... algorithm Decreased ... Renin High: • Primary ... #algorithm #nephrology ... #potassium #differential
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Diagnosis Algorithm ... suppression • Primary ... #Nephrology #Differential ... #Diagnosis #Algorithm
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
- Differential ... Diagnosis Algorithm ... suppression • Primary ... #Nephrology #Differential ... #Diagnosis #Algorithm
Hyponatremia - Differential Diagnosis Algorithm
Hypovolemic - Give volume
Hypervolemic (Edematous) - Look for and treat underlying cause
Hyponatremia - Differential ... Diagnosis Algorithm ... Solute Intake - Primary ... Diagnosis #Algorithm ... #diagnosis #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Hypokalemia - Differential ... Diagnosis Algorithm ... #diagnosis #algorithm ... #causes #nephrology ... #potassium
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... secreting tumor, Primary ... #Diagnosis #Algorithm ... #causes #potassium ... #low #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 ... ≥ 3.8 pmol/L → Primary ... #nephrology #differential ... #diagnosis
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Diagnosis Algorithm ... High Al, Low R - Primary ... #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium