67 results
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Diagnosis Algorithm ... Renovascular HTN, Renin ... Bartter syndrome, Gitelman ... #Algorithm #causes ... potassium #low #nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential Diagnosis ... • Renal tubular ... Bartter's syndrome, Gitelman's ... #nephrology #potassium
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
- Differential Diagnosis ... Renal Causes of ... Bartter syndrome and Gitelman ... pentamidine), Hypercalcemia ... #causes #nephrology
Causes of Hypernatremia - Differential Diagnosis
Inadequate water intake:
 • Lack of access to water
Extrarenal hypotonic fluid
Causes of Hypernatremia ... - Differential Diagnosis ... perspiration Renal ... #Causes #nephrology ... #sodium #high
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Causes of Hyponatremia ... - Differential Diagnosis ... failure Hypervolemia ... #Algorithm #Causes ... #nephrology
Gitelman Syndrome Pathophysiology
Gitelman Syndrome is a rare autosomal recessive salt-losing tubulopathy with a prevalence of 1-
thiazide-sensitive sodium-chloride ... H+ secretion → Hypokalemia ... Contraction → ↑ Renin ... Pathophysiology #nephrology ... #diagnosis
Hypernatremia Diagnosis and Workup

Step 1 . Repeat the sodium concentration.
Step 2.  Check plasma osmolality.
NORMAL PLASMA
Hypernatremia Diagnosis ... Repeat the sodium ... - fevers • renal ... #Diagnosis #Workup ... #Algorithm #Nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential ... Diagnosis Algorithm ... Osmolarity 3) Urine Sodium ... High Uric Acid → renal ... #Algorithm #nephrology
Etiologies of Hypernatremia - Differential Diagnosis
GI losses / Insensible losses
Sodium Overload
Transcellular Movement of Water
Central Diabetes Insipidus
Etiologies of Hypernatremia ... - Differential Diagnosis ... Insensible losses Sodium ... - Various renal ... #Table #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
suggests extra-renal ... causes • Laxative ... Bartter syndrome, Gitelman ... #diagnosis #Algorithm ... differential #potassium #nephrology