35 results
Hypophosphatemia - Differential Diagnosis Algorithm

Transcellular Shift
 • Recovery From DKA
 • Refeeding Syndrome
 • Acute Respiratory
- Differential Diagnosis ... Hypokalemia • Hypomagnesemia ... PO4 > 5%: • Hyperparathyroidism ... : • Aluminum/Magnesium ... #Differential #Diagnosis
Causes of Hypocalcemia - Differential Diagnosis Algorithm
 • Extravascular: Pancreatitis, surgery, acute phosphate intake and renal
- Differential Diagnosis ... , Low PTH: Hypoparathyroidism ... • Hypophosphatemia ... contrast agents • Hypomagnesemia ... #Differential #Diagnosis
Causes of Hypermagnesemia
Increased magnesium load
 - Magnesium-containing laxatives, antacids, or enemas
 - Treatment of pre-edampsia/eclampsia (mothers
Causes of Hypermagnesemia ... Increased magnesium ... absorption - Hyperparathyroidism ... Addison's disease) #Hypermagnesemia ... #Causes #diagnosis
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Diagnostic Algorithm ... Redistribution - 1° HPT ... Zalman Agus #Hypophosphatemia ... phosphorus #low #diagnosis
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Algorithm • Low Magnesium ... , High Magnesium ... - Functional Hypoparathyroidism ... Extravascular deposition: Hyperphosphatemia
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Hypophosphatemia ... - Differential Diagnosis ... Redistribution • Primary Hyperparathyroidism ... PO4 wasting #Hypophosphatemia ... #Differential #Diagnosis
Hypocalcemia - Differential Diagnosis Algorithm - Low and High Phosphate
LOW PHOSPHATE
 - Low/NormaI PTH
- Differential Diagnosis ... Malnutrition with Hypomagnesemia ... (CaSR) • Hypomagnesemia ... Low PTH • Hypoparathyroidism ... #Differential #Diagnosis
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... depletion, Familial hypophosphatemia ... Hyperthyroidism, Hyperparathyroidism ... #differential #diagnosis ... #nephrology #magnesium
Approach to Hypomagnesemia 

Fractional excretion of magnesium = (urine magnesium x serum creatinine)/ [0.7 (serum magnesium
Approach to Hypomagnesemia ... = (urine magnesium ... )/ [0.7 (serum magnesium ... @NEPHKIDS1 #Hypomagnesemia ... #differential #diagnosis
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Hypomagnesemia - ... Differential Diagnosis ... Renal Causes of Hypomagnesemia ... #differential #diagnosis ... causes #nephrology #magnesium