16 results
Pathophysiology of hypotonic hyponatremia

by Helbert Rondon, MD @NephroMD

#hypotonic #hyponatremia #nephrology #algorithm #Pathophysiology
Pathophysiology ... Helbert Rondon, MD @NephroMD ... #hypotonic # ... hyponatremia #nephrology ... #algorithm #Pathophysiology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Bartter syndrome, Gitelman ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Primary Metabolic Alkalosis - Differential Diagnosis Algorithm
Volume Depleted - 2° hyperaldosteronism
 • Low Urine Cl-: Vomiting,
Differential Diagnosis Algorithm ... , NGT suction, Low ... Bartter Syndrome, Gitelman ... Differential #Diagnosis #Algorithm ... #Nephrology #Causes
Hyponatremia Diagnosis Algorithm
UOsm ≥ POsm - Vasopressin-Dependent
 • UNa < 20 mEq/L - Appropriate (↓ EABV)
Hyponatremia Diagnosis Algorithm ... Primary polydipsia, Low ... Helbert Rondon, MD @NephroMD ... #differential #algorithm ... #causes #nephrology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Causes of Metabolic ... Differential Diagnosis Algorithm ... Hypomagnesemia • Barrter's/Gitelman's ... MetabolicAlkalosis #NonGap #Nephrology ... #Causes
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... 300 mmol/kg • Hypertonic ... mannitol, glucosuria Low ... Hypernatremia #Nephrology ... #Causes
Hypokalemia Differential Diagnosis Algorithm
Hypertensive:
 • High Al, Low R - Primary aldosteronism
 • High Al, High
Differential Diagnosis Algorithm ... Bartter's syndrome, Gitelman's ... Differential #Diagnosis #Algorithm ... #nephrology #causes ... #low #potassium
Physiologic Approach to Hypotonic Hyponatremia
The next time you have a case of hypotonic hyponatremia, give the
time you have a case ... normal volume-based algorithm ... can be high or low ... Primary polydipsia), Low ... table #sodium #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Differential Diagnosis Algorithm ... Intake: • Low ... - Bartter - Gitelman ... #Pathophysiology ... #Nephrology #Chloride
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... consumption • Low ... Bartter syndrome, Gitelman ... differential #potassium #nephrology ... #low