9 results
Hyperphosphatemia - Differential Diagnosis Algorithm
Transcellular Shift:
 • Rhabdomyolysis
 • Tumor Lysis
 • Metabolic or Respiratory Acidosis
20%: • Renal Disease ... • Hypoparathyroidism ... • Pseudo-hypoparathyroidism ... #HighPhosphate ... Diagnosis #Algorithm #endocrinology
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
Hypophosphatemia ... Hypokalemia • Hypomagnesemia ... PO4 > 5%: • Hyperparathyroidism ... Inflammatory Bowel Disease ... Diagnosis #Algorithm #endocrinology
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
Chronic Kidney Disease ... • Hyperphosphatemia ... , Low PTH: Hypoparathyroidism ... • Hypophosphatemia ... contrast agents • Hypomagnesemia
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
Malnutrition with Hypomagnesemia ... Hepatobiliary Disease ... (CaSR) • Hypomagnesemia ... Chronic Kidney Disease ... Algorithm #Phosphate #endocrinology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
• Infiltrative disease ... polyendocrinopathy • Hypomagnesemia ... bypass • Liver disease ... • Severe hyperphosphatemia ... Algorithm #PTH #endocrinology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... depletion - Familial hypophosphatemia ... Tubulointerstitial renal disease ... 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 ... Tubulointerstitial renal disease ... Hyperthyroidism, Hyperparathyroidism ... aldosteronism #Hypomagnesemia
Pseudogout: pathogenesis and clinical findings
 - Idiopathic (vast majority of cases) -> Mechanism unknown
 - Familial
production - Hyperparathyroidism ... inhibited by iron - Hypomagnesia ... breakdown - Hypophosphatasia ... Pseudogout #CPPD #Disease
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Renal failure, hyperphosphatemia ... • Alcoholism - Hypomagnesemia ... resorption • Hypoparathyroidism ... PTH action • Hypomagnesemia ... Diagnosis #Causes #endocrinology