14 results
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Renal tubular acidosis ... • Gitelman's ... Hypothermia • Hypokalemic ... #Differential #
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... • Metabolic acidosis ... • Metabolic acidosis ... Bartter syndrome, Gitelman ... #Differential #
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - Differential ... Bartter syndrome and Gitelman ... with secondary, hypocalcemia ... Hypomagnesemia - Acquired ... Hypomagnesemia #differential
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... - Differential ... Renal tubular acidosis ... Bartter's syndrome, Gitelman's ... #differential #
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
Gitelman Syndrome ... cotransporter • Gitelman's ... ratio 0.5%) Differential ... Renal tubular acidosis ... Rhabdomyolysis Treatment
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... Before evaluating hypokalemia ... Bartter syndrome, Gitelman ... - Metabolic acidosis ... diagnosis #Algorithm #differential
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... plasma insulin (treatment ... Renal tubular acidosis ... diuretic use), Gitelman's ... #Causes #differential
Hyperkalemia - Differential Diagnosis Framework

PseudoHyperkalemia:
 • Lab error
 • Traumatic venipuncture
 • Hemolysis, thrombocytosis, leukocytosis
 •
Hyperkalemia - Differential ... - Metabolic acidosis ... - Hyperkalemia ... Hypoaldosteronism • Acquired ... #differential #
Classification of Diabetes Insipidus

Central or neurogenic diabetes insipidus:
 - Congenital - Structural malformations affecting the hypothalamus
AQP-2 gene - Acquired ... causes (e.g., hypokalemia ... insipidus: - Acquired ... Treatment is aimed ... Nephrology #Diagnosis #Differential
Occult Causes of Non-Response to Vasopressors

vital disclaimer: the cognitive response to hypotension should not be reaching
hypotension is treatment ... non-responders: - acidosis ... - 2nd cause shock ... #Vasopressors #Differential