61 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Renal Causes of ... #differential # ... diagnosis #causes #nephrology ... #magnesium #low
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... cells FEMg >4% = renal ... #algorithm #differential ... diagnosis #causes #nephrology ... #magnesium #low
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Metabolic Alkalosis - Differential ... Chloridorrhea Renal ... • Penicillins Renal ... loop/thiazide) • Hypomagnesemia ... #Differential #
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... diarrhea / IBD Renal ... - Familial renal ... #Differential # ... Diagnosis #Low #
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... - Differential ... Malabsorption RENAL ... #Magnesium #Low ... #Causes #Differential
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Diagnosis Algorithm Low ... oral intake Renal ... Medication • Hypomagnesemia ... Nonreabsorbable anions • Renal
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... symptomatology Differential ... resolution chest CT • Bronchoscopy ... #differential # ... diagnosis #nephrology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... and High PTH LOW ... polyendocrinopathy • Hypomagnesemia ... • Chronic Renal ... #Hypocalcemia #Differential
Drugs associated with hypokalemia and hypomagnesemia

Hypokalemia
- Shift from extracellular fluid to intracellular fluid compartment
  -
hypokalemia and hypomagnesemia ... Extrarenal Laxatives - Renal ... pump inhibitor - Renal ... #Medications #differential ... #diagnosis #nephrology
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Hypocalcemia - Differential ... phosphate intake and renal ... Hyperphosphatemia, Low ... contrast agents • Hypomagnesemia ... #Hypocalcemia #Differential