9 results
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
GI losses - Chronic ... abnormalities - Hypercalcemia ... - Hypokalemia ... #Differential # ... #Causes #Workup
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Hypercalcemia - ... Hypocalciuric Hypercalcemia ... Low PTH: • Elevated ... Thiazides/Lithium #Hypercalcemia ... #causes #endocrinology
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Causes of Hypocalcemia ... Pseudohypoparathyroidism, Chronic ... Hyperphosphatemia, Low ... @kdjhaveri #Hypocalcemia ... #Causes #algorithm
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... polyendocrinopathy • Hypomagnesemia ... • Chronic ... laxatives) #Hypocalcemia ... #PTH #endocrinology
Hypokalemia Differential Diagnosis Algorithm

Low intake 
• poor oral intake 

Renal loss 
• Medication 
• Hypomagnesemia 
•
Hypokalemia Differential ... Low intake ... Medication • Hypomagnesemia ... amzn.to/2LmUODZ #Hypokalemia ... #Causes #Classification
Causes of Hypomagnesemia - Differential Diagnosis Algorithm
GI LOSS - FeMg < 2-2.5% or 24h Urine Mg
Causes of Hypomagnesemia ... Malabsorption RENAL ... Diuretics • Hypercalcemia-PTH ... #Magnesium #Low ... #Causes #Differential
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
Causes of Fatigue ... - Differential ... Diagnosis Algorithm ... Liver Failure • Hypercalcemia ... Neoplastic / Hematologic
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Diagnosis Algorithm ... Alkalosis • Hypokalemia ... • Hypomagnesemia ... #endocrinology ... #causes
Hyperuricemia - Differential Diagnosis Algorithm
Primary - Over-production
     • Increased turnover of nucleotides
Primary
Hyperuricemia - Differential ... Diagnosis Algorithm ... Sarcoidosis • Hypercalcemia ... #endocrinology ... #causes