48 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... and Gitelman syndrome ... - Acquired: Medications ... #causes #nephrology ... #magnesium #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... diarrhea / IBD Renal ... Loses - Medications ... #Differential #Diagnosis ... #Low #Magnesium
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Algorithm Low ... oral intake Renal ... loss • Medication ... • Hypomagnesemia ... • Bartter's syndrome
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
hypokalemia and hypomagnesemia ... pump inhibitor - Renal ... Fanconi syndrome ... #Medications #differential ... #diagnosis #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
- Differential Diagnosis ... Abdominal Compartment Syndrome ... , Medications Intra-Renal ... #Differential #Diagnosis ... #nephrology #causes
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... cells FEMg >4% = renal ... #differential #diagnosis ... #causes #nephrology ... #magnesium #low
Secondary causes of Hypertension
 • Medications, Drugs, Chemo: NSAIDS, Steroids, CNI, Alcohol, Cocaine, OCP, Licorice, MAOI,
Hypertension • Medications ... Pseudoephedrine • Primary Renal ... Hyperaldosternism (low ... tumor • Other low ... #differential #diagnosis
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
- Differential Diagnosis ... Chloridorrhea Renal ... loop/thiazide) • Hypomagnesemia ... Licorice • Liddle's Syndrome ... MetabolicAlkalosis #NonGap #Nephrology
Hypokalemia - Differential Diagnosis Algorithm

Transcellular Shift:
 • Alkalosis
 • ↑ beta-2 adrenergic simulation 
 • Erythropoiesis
- Differential Diagnosis ... • Refeeding syndrome ... Thyrotoxicosis Medications ... Renal Losses ... #Algorithm #nephrology
Hypokalemia - Differential Diagnosis Algorithm
Extra-renal Losses:
 • Normal Acid-Base: Low intake
 • Metabolic acidosis: Gl tract
- Differential Diagnosis ... Algorithm Extra-renal ... loss (Diarrhea) Renal ... #Differential #Diagnosis ... #nephrology