15 results
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Redistribution - 1° HPT ... , TIO, Fanconi Syndrome ... Hypophosphatemia #phosphorus ... #low #diagnosis ... #differential #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
- Differential Diagnosis ... Vitamin D: Primary Hyperparathyroidism ... #Differential #Diagnosis ... #Algorithm #nephrology ... #phosphorus #workup
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
- Differential Diagnosis ... absorption (Antacids, Phosphorus ... Primary or Tertiary hyperparathyroidism ... #Differential #Diagnosis ... Workup #phosphate #nephrology
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
metastasis (hungry bone syndrome ... Potassium depletion, Phosphorus ... Hyperthyroidism, Hyperparathyroidism ... #differential #diagnosis ... #nephrology #magnesium
Workup of Hypercalcemia - Differential Diagnosis Algorithm
High or Normal PTH:
 • Hyperparathyroidism: Parathyroid adenoma, Parathyroid hyperplasia,
- Differential Diagnosis ... Normal PTH: • Hyperparathyroidism ... disease, Viral Syndromes ... #Differential #Diagnosis ... Algorithm #Workup #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
metastasis (hungry bone syndrome ... depletion - Phosphorus ... disorders: - Syndrome ... Hyperthyroidism - Hyperparathyroidism ... Hypomagnesemia #Causes #diagnosis
Hypocalcemia Workup - Differential Diagnosis Algorithm
 • Low Magnesium, High Magnesium - Functional Hypoparathyroidism
 • High
- Differential Diagnosis ... Magnesium - Functional Hypoparathyroidism ... metastases, Hungry bone syndrome ... #Differential #Diagnosis ... #Algorithm #nephrology
Workup for Hyperphosphatemia - Differential Diagnosis Framework
Rule out spurious hyperphosphatemia: paraproteinemia, hyperlipidemia, hemolysis, hyperbilirubinemia, liposomal amphotericin
- Differential Diagnosis ... Rhabdomyolysis, Tumor lysis syndrome ... Absorption: • Hypoparathyroidism ... #Differential #Diagnosis ... Workup #phosphate #nephrology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... ophthalmology #neurology ... #differential #diagnosis ... #ocular
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
- Differential Diagnosis ... three clinical diagnoses ... lens wearing • Ocular ... #Ptosis #neurology ... #Differential #Diagnosis