25 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Renal Causes of ... Renal Causes of ... Hypercalcemia, Post renal ... nephrology #magnesium #low
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
diarrhea / IBD Renal ... - Transient renal ... - Familial renal ... #Differential # ... Diagnosis #Low #
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... Diagnosis Algorithm ... polyendocrinopathy • Hypomagnesemia ... • Chronic Renal ... #PTH #endocrinology
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
GI Losses - Gastric
 • Vomiting
 • NG suction
GI
Diagnosis Algorithm ... Chloridorrhea Renal ... • Penicillins Renal ... loop/thiazide) • Hypomagnesemia ... Aldosterone-secreting mass • Adrenal
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
cells FEMg >4% = renal ... magnesium loss if renal ... #algorithm #differential ... #diagnosis #causes ... nephrology #magnesium #low
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Diagnosis Algorithm ... Low intake ... oral intake Renal ... Medication • Hypomagnesemia ... Nonreabsorbable anions • Renal
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
- Differential ... Diagnosis Algorithm ... Malabsorption RENAL ... #Magnesium #Low ... #Causes #Differential
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
: Cisplatin- renal ... and Panitumumab- renal ... Hyponatremia: Cisplatin- renal ... #chemotherapy #diagnosis ... #differential
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Hypocalcemia - Differential ... Diagnosis Algorithm ... phosphate intake and renal ... Hyperphosphatemia, Low ... contrast agents • Hypomagnesemia
Breast Discharge - Differential Diagnosis Algorithm
High Prolactin + Normal TSH
 • Microprolactinoma
 • Steroid Hormone Intake
Diagnosis Algorithm ... Intake • Chronic Renal ... Prolactin + Normal/ Low ... Production • Renal ... #Endocrinology