11 results
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Osmotic diuresis (see ... mannitol, glucosuria Low ... loss • Watery Diarrhea ... Hypernatremia #Nephrology ... #Causes
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation Algorithm ... A urine K/Cr ratio ... Laxative use • Diarrhea ... A urine K/Cr ratio ... #nephrology #low
Algorithm for patients with hypokalemia on the basis of the potassium-to-creatinine ratio in the urine
Urine K+
Algorithm for patients ... Gastrointestinal loss: Diarrhea ... #potassium #differential ... #algorithm #diagnosis ... #nephrology
Hypochloremia - Differential Diagnosis Algorithm

Cause - Decreased Intake:
 • Low salt in diet
 • Exclusive D5W
Hypochloremia - ... Intake: • Low ... NGT suction - Diarrhea ... #Pathophysiology ... #Nephrology #Chloride
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Differential Diagnosis Algorithm ... Gl tract loss (Diarrhea ... Differential #Diagnosis #Algorithm ... #causes #potassium ... #low #nephrology
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Urinary Chloride Algorithm ... alkalosis • Normal/low ... the indicated causes ... of sodium and potassium ... #Algorithm #nephrology
Causes of Non-Gap Metabolic Acidosis - Differential Diagnosis Algorithm
Normal Anion Gap (<14) (Loss of Bicarbonate) -
Causes of Non-Gap ... Loss (Negative urine ... net charge) • Diarrhea ... Cell Problem - Low ... MetabolicAcidosis #NonGap #Nephrology
Causes of Hypokalemia - Differential Diagnosis Algorithm
Decreased intake (rare cause in isolation)
GI loss - Urine loss
Differential Diagnosis Algorithm ... isolation) GI loss - Urine ... <20mmol/d • Diarrhea ... #Hypokalemia #Nephrology ... Differential #Diagnosis #Algorithm
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... Hypomagnesemia • Hypochloremic ... Hypocalciuria (spot urine ... Congenital chloride diarrhea ... #management #pathophysiology
Pragmatic diagnostic algorithm for hypokalemia. 
***Typical presentations: 
 • Vomiting: urine Na/Cl > 1.6, low urine
Pragmatic diagnostic algorithm ... Na/Cl > 1.6, low ... correcting serum potassium ... continued in most cases ... #nephrology