6 results
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential ... Malabsorption, Chronic diarrhea ... • Normal or Low ... - Normal or Low ... #Differential #
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Appropriately Low ... Absorption: Chronic Diarrhea ... #Differential #
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
biliary fistula, Diarrhea ... depletion, Familial hypophosphatemia ... Hypomagnesemia #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
symptoms: • Severe low ... gunshot wounds • constipation ... Differential ... axial T1 and T2 Treatment ... diagnosis #causes #neurology
Causes of Constipation in Adults
Most common
 - Inadequate fiber or fluid intake
 - Poor bowel habits
Systemic
Causes of Constipation ... porphyria - Neurologic ... floor dyssynergia Irritable ... #Constipation ... #Causes #Differential
Gitelman Syndrome Overview

What?
• Inherited (AR) hypokalemic salt-losing tubulopathies affecting the thiazide-sensitive sodium chloride cotransporter
• Gitelman's syndrome
alkalosis • Normal or low ... ratio 0.5%) Differential ... Congenital chloride diarrhea ... Rhabdomyolysis Treatment ... #diagnosis #nephrology