9 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia ... Zalman Agus #Hypophosphatemia ... #phosphorus #low ... diagnosis #Algorithm #differential ... #nephrology
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
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Hypophosphatemia ... - Differential ... Appropriately Low ... #Differential # ... Diagnosis #Algorithm #nephrology
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
Hypocalcemia Workup - Differential ... Algorithm • Low ... Extravascular deposition: Hyperphosphatemia ... Hypocalcemia #Workup #Differential ... Diagnosis #Algorithm #nephrology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
unilateral; • Slow ... response to dark; • Slow ... Young females Differential ... #PhysicalExam #neurology ... #ophthalmology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
depletion, Familial hypophosphatemia ... Hypomagnesemia #Causes #differential ... #diagnosis #nephrology ... #magnesium #low
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... Neurogenic Ptosis - Neurologic ... to the tarsal plate ... #Differential # ... Diagnosis #ophthalmology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
with systemic, neurologic ... very remarkable w/differential ... followed by long slow ... required +/- prompt ophthalmology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
follows Alexander's Law ... The differential ... Nystagmus #Vertical #Ophthalmology ... #Neurology #Clinical