21 results
Hypomagnesemia - Differential Diagnosis
Renal Causes of Hypomagnesemia - Familial:
Bartter syndrome and Gitelman syndrome, Isolated recessive hypomagnesemia,
Differential Diagnosis ... Familial: Bartter syndrome ... and Gitelman syndrome ... #differential # ... #magnesium #low
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... , TIO, Fanconi Syndrome ... #phosphorus #low ... diagnosis #Algorithm #differential ... #nephrology
Hypocalcemia - Differential Diagnosis Algorithm - Low and High PTH
LOW PTH - Hypoparathyroid
 - Congenital (Pediatric)
Hypocalcemia - Differential ... polyendocrinopathy • Hypomagnesemia ... • Severe hyperphosphatemia ... Tumor lysis syndrome ... #Hypocalcemia #Differential
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Hypercalcemia, Hypermagnesemia ... Guillain-Barré syndrome ... Testing #Causes #differential ... #diagnosis #table ... #neurology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... • Normal or Low ... - Normal or Low ... #Differential # ... Workup #phosphate #nephrology
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Hypomagnesemia - ... - Hungry bones syndrome ... #Differential # ... Diagnosis #Low # ... Magnesium #Table
Cancer agents and Electrolyte Disorders
 • Hypocalcemia: Cisplatin from Low Mg, Cetuximab- due to low Mg
Axitinib,
Regorafenib • Hypophosphatemia ... Ifosfamide - Fanconi syndrome ... Regorafenib • Hypomaqnesemia ... Ifosfamide - Fanconi syndrome ... chemotherapy #diagnosis #differential
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... depletion, Familial hypophosphatemia ... #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Appropriately Low ... #Differential # ... Diagnosis #Algorithm #nephrology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... Generalized: Absence, Myoclonic ... vasoconstriction syndrome ... Hyponatremia, Hypomagnesemia ... Algorithm #Causes #neurology