15 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
NG drainage - Diarrhea ... Renal tubular acidosis ... - Polyuria - Hypomagnesemia ... Potassium #Table #Classification ... #Causes
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm ... Medication • Hypomagnesemia ... Renal tubular acidosis ... Differential #Diagnosis #Algorithm ... #Causes #Classification
Causes of Hypokalemia - Differential Diagnosis Algorithm
Defining the cause of hypokalemia starts by measuring urinary K
Causes of Hypokalemia ... Differential Diagnosis Algorithm ... Renal K loss • Hypomagnesemia-induced ... Renal tubular acidosis ... differential #diagnosis #algorithm
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
Hypokalemia - Differential ... Diagnosis Algorithm ... • Metabolic acidosis ... Gl tract loss (Diarrhea ... #causes #potassium
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... losses - Chronic diarrhea ... Hypercalcemia - Hypokalemia ... Magnesium #Table #Classification ... #Causes #Workup
Hypokalemia Differential Algorithm
Acidosis
 - RTA
 - Diarrhea
pH Normal 
 1. Decreased Mg 
 2. Intracellular Shift
Hypokalemia Differential ... Algorithm Acidosis ... - RTA - Diarrhea ... #Differential #Algorithm ... #Diagnosis #Causes
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Differential Diagnosis Algorithm ... Alkalosis • Hypokalemia ... • Hypomagnesemia ... • Small bowel diarrhea ... endocrinology #causes
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Causes of Altered ... • Metabolic Acidosis ... Hyponatremia • Hypocalcemia ... • Hypomagnesemia ... #Causes
Metabolic Alkalosis - Differential Diagnosis Algorithm - Urinary Chloride
 • Cl- responsive metabolic alkalosis
Differential Diagnosis Algorithm ... Congenital chloride diarrhea ... Gitelman syndrome, Hypomagnesemia ... : Chronic diarrhea ... #causes #urinary
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Causes of Hypokalemia ... Alcoholism (worsened by hypomagnesemia ... nasogastric suction, Diarrhea ... Renal tubular acidosis ... #Causes #differential