12 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 ... #differential #nephrology
Hypophosphatemia - Differential Diagnosis Algorithm
Appropriately Low Kidney Phosphate Excretion:
 • Decreased GI Absorption: Chronic Diarrhea, Antacids,
Shift: Refeeding Syndrome ... Tumor Genesis Syndrome ... Vitamin D: Primary Hyperparathyroidism ... Diagnosis #Algorithm #nephrology ... #phosphorus #workup
Causes of Hypomagnesemia
 • Redistribution: IV glucose, Correction of diabetic ketoacidosis, IV hyperalimentation, Refeeding after starvation,
Causes of Hypomagnesemia ... Potassium depletion, Phosphorus ... Hyperthyroidism, Hyperparathyroidism ... Hypomagnesemia #Causes ... differential #diagnosis #nephrology
Workup for Hypophosphatemia - Differential Diagnosis Framework
Rule out spurious hypophosphatemia: paraproteinemia, acute leukemia
Measure Urine Fractional Excretion
absorption (Antacids, Phosphorus ... Tumor genesis syndrome ... Primary or Tertiary hyperparathyroidism ... FGF-23: Fanconi syndrome ... Workup #phosphate #nephrology
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... depletion - Phosphorus ... disorders: - Syndrome ... Hyperthyroidism - Hyperparathyroidism ... Hypomagnesemia #Causes
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
One-and-a-half Syndrome ... Skew Deviation Casey ... ophthalmology #neurology ... differential #diagnosis #ocular
Neuromyelitis Optica (NMO) - Clinical Manifestations
 • Optic neuritis: Reduced visual acuity, ranging from mild to
desaturation, Scotoma, Ocular ... involvement: Intractable nausea ... Other brainstem syndromes ... erythematosus, Sjögren syndrome ... Manifestations #diagnosis #neurology
Opsoclonus-Myoclonus Ataxia Syndrome (OMAS) -Dancing eyes - dancing feet syndrome
 • Opsoclonus: ocular spontaneous, arrhythmic, conjugate
Opsoclonus-Myoclonus Ataxia Syndrome ... - dancing feet syndrome ... • Opsoclonus: ocular ... involuntary movements caused ... clinical #video #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
thyroid, Sjogren syndrome ... Ocular- 50%: Ptosis ... muscles: “myasthenic crises ... Myasthenia Crises ... diagnosis #management #neurology
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... acetate to help with ocular ... other potential causes ... Orbital Apex Syndrome ... #physicalexam #neurology