15 results
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
poisoning • Hyperphosphatemia ... Kidney Disease • Hyperphosphatemia ... , Low PTH: Hypoparathyroidism ... • Hypophosphatemia ... contrast agents • Hypomagnesemia
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia ... Hypokalemia • Hypomagnesemia ... PO4 > 5%: • Hyperparathyroidism ... Resistance • Hypophosphatemic ... Chronic Diarrhea #Hypophosphatemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Malnutrition with Hypomagnesemia ... NormaI PTH • Hypoparathyroidism ... (CaSR) • Hypomagnesemia ... Low PTH • Hypoparathyroidism ... • Secondary Hyperparathyroidism
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... absorption - Hyperparathyroidism ... Addison's disease) #Hypermagnesemia
Hypomagnesemia (Serum level < 1.7 mg/dL)
Neuromuscular manifestations 
 • Tremor, tetany, seizures 
 • Weakness
Hypomagnesemia ( ... Hypocalcemia • Hypoparathyroidism ... calcitriol #Hypomagnesemia
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... depletion - Familial hypophosphatemia ... Hyperthyroidism - Hyperparathyroidism ... aldosteronism #Hypomagnesemia
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... depletion, Familial hypophosphatemia ... Hyperthyroidism, Hyperparathyroidism ... aldosteronism #Hypomagnesemia
Hypomagnesemia and Electrolyte Disorders
 • Hypocalcemia - lowers PTH ( functional hypoparathyroidism), bone resistence to PTH,
Hypomagnesemia and ... PTH ( functional hypoparathyroidism ... from bones • Hypophosphatemia ... @kdjhaveri #Hypomagnesemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
polyendocrinopathy • Hypomagnesemia ... • Severe hyperphosphatemia
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Renal failure, hyperphosphatemia ... • Alcoholism - Hypomagnesemia ... resorption • Hypoparathyroidism ... PTH action • Hypomagnesemia