8 results
Hypercalcemia - Differential Diagnosis Algorithm
Elevated PTH (High or normal):
 • Primary Hyperparathyroidism
 • Familial Hypocalciuric Hypercalcemia
Low
Differential Diagnosis ... Low PTH: • Elevated ... Bony Mets - Calcium ... Diagnosis #Algorithm #causes ... #endocrinology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup ... - Differential ... Pancreatitis, Sepsis ... Diagnosis #Algorithm #nephrology ... #calcium
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
hypercalciuria, Hypercalcemia ... hypercalciuria, Hypercalcemia ... >2000 mg/day) Cystine ... Renal #stones #differential ... #diagnosis #causes
Hypercalcemia Evaluation
1) Clinical clues
 - Is the patient symptomatic?
 - Family history?
 - Have you done
1) Clinical clues ... FeCa <1 %) - Low ... #workup #differential ... #diagnosis #endocrinology ... #calcium #elevated
Causes of Hypocalcemia by Clinical Cause

Acute illness: pancreatitis, tumor lysis, severe illness - Secondary hyperparathyroidism from
Causes of Hypocalcemia ... circulating calcium ... Neck surgery - Low ... #Causes #Differential ... #Diagnosis #Endocrinology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Hyperparathyroidism, Hypercalcemic ... #differential # ... diagnosis #nephrology ... #magnesium #low
Causes of Hypocalcemia - Differential Diagnosis
Decreased calcium absorption
 • Vitamin D deficiency
    -
Causes of Hypocalcemia ... - Differential ... Diagnosis Decreased calcium ... #Differential # ... #endocrinology
Metabolic Causes of Kidney Stones in Children
 • Calcium Oxalate: Primary Hyperoxaluria type 1-3, Secondary Hyperoxaluria
Metabolic Causes ... Hyperoxaluria • Cystine ... Syndrome type 1-4, Lowe ... Stones #pediatrics #nephrology ... #differential #