10 results
Hypokalemia - Differential Diagnosis
Poor Intake 
 - Starvation
 - Anorexia
GI Losses 
 - Vomiting / NG
Hypokalemia - Differential ... NG drainage - Diarrhea ... type 4) - Salt wasting ... - Polyuria - Hypomagnesemia ... Low #Potassium #Table
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
losses - Chronic diarrhea ... Hypercalcemia - Hypokalemia ... Familial renal Mg wasting ... #Differential # ... Low #Magnesium #Table
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
• Refeeding Syndrome ... Alkalosis • Hypokalemia ... • Hypomagnesemia ... • Small bowel diarrhea ... Steatorrhea • Chronic Diarrhea
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Hyperreflexia: • Hypocalcemia ... , Hypomagnesemia ... #Causes #differential ... #diagnosis #table
Causes of Hypokalemia
Transcellular Shifts:
 - Alkalosis, Increased plasma insulin (treatment of diabetic ketoacidosis), ß-Adrenergic agonists, Hypokalemic
Alcoholism (worsened by hypomagnesemia ... ), Eating disorders ... nasogastric suction, Diarrhea ... Fever Other: - Hypomagnesemia ... #Causes #differential
Potassium-Binding Agents to Treat Hyperkalemia
Sodium zirconium cyclosilicate (Lokelma):
 • Mechanism: Preferentially captures K in exchange for
Side Effects: Hypomagnesemia ... , diarrhea, nausea ... constipation, diarrhea ... #pharmacology #table ... #comparison #binders
Classification, Differential Diagnosis, and Features of Hyponatremia According to Volume Status 

Hypervolemic hypernatremia 
 - CHF
Classification, Differential ... - Nephrotic syndrome ... Glucocorticoid deficit - Hypokalemia ... Vomiting - Diarrhea ... #Diagnosis #Table
Causes of Hyponatremia - Differential Diagnosis Algorithm
Hypovolemia, UNa > 20: 
 • Renal losses, Diuretic excess,
Hyponatremia - Differential ... Diagnosis Algorithm Hypovolemia ... Cerebral salt wasting ... syndrome Hypovolemia ... losses, Vomiting, Diarrhea
Hypokalemia Evaluation Algorithm

Before evaluating hypokalemia, life threatening complications such as arrhythmias and paralysis should be looked
Hypokalemia Evaluation ... Before evaluating hypokalemia ... differentiating kidney K wasting ... Laxative use • Diarrhea ... diagnosis #Algorithm #differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
, mild hypomagnesemia ... renal potassium wasting ... ) • Hypomagnesemia ... ratio 0.5%) Differential ... Congenital chloride diarrhea