10 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... - Polyuria - Hypomagnesemia ... Catecholamines - Alkalosis ... #Causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Medication • Hypomagnesemia ... tubular acidosis • Gitelman's ... Diagnosis #Algorithm #Causes ... #Classification
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Hypercalcemia - Hypokalemia ... syndromes - Gitelman ... #Differential # ... #Causes #Workup
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
, mild hypomagnesemia ... • Metabolic alkalosis ... Hypochloremic metabolic alkalosis ... ratio 0.5%) Differential ... Congenital chloride diarrhea
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
- Differential ... Bartter syndrome, Gitelman ... syndrome, Hypomagnesemia ... #Differential # ... Diagnosis #Algorithm #causes
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia - Differential ... Acute Respiratory Alkalosis ... • Hypokalemia ... • Hypomagnesemia ... endocrinology #causes
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Transcellular Shifts: - Alkalosis ... nasogastric suction, Diarrhea ... diuretic use), Gitelman's ... #Causes #differential
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
wasting from other causes ... Laxative use • Diarrhea ... - Metabolic Alkalosis ... Bartter syndrome, Gitelman ... diagnosis #Algorithm #differential
Metabolic Alkalosis - Urinary Chloride Algorithm
Cl- responsive metabolic alkalosis
 • Kidney loss of Cl-
Congenital chloride diarrhea ... Bartter syndrome, Gitelman ... syndrome, Hypomagnesemia ... the indicated causes ... Algorithm #nephrology #differential
Causes of Hypokalemia
I. Decreased intake
   A. Starvation
   B. Clay ingestion
II. Redistribution into
Causes of Hypokalemia ... Metabolic alkalosis ... Gastrointestinal loss (diarrhea ... #Differential # ... Low #Potassium #Classification