53 results
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Essentials - Spinal Trauma ... CLASSIFICATION OF SPINAL TRAUMA ... : Don't cause spinal ... deformity or neurologic ... #Trauma #Spine
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Temporal Bone Fracture ... • Ethanol - Trauma ... Dizziness #Vertigo #Neurology ... Diagnosis #Algorithm #Causes
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Embolism (e.g. fractured ... Disruption • Trauma ... (Hemophilia or Trauma ... Marfan's Syndrome ... #Orthopedics #Causes
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... trauma • Drugs ... • Nephrotic syndrome
Causes of Hyponatremia - Differential Diagnosis Algorithm
Syndrome of Inappropriate ADH - Euvolemic; no physiologic stimulus to
Causes of Hyponatremia ... Diagnosis Algorithm Syndrome ... Pain/Post-op • Neurologic ... trauma • Drugs ... • Nephrotic syndrome
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Neurologic ... a mass as the cause ... Orbital Floor Fracture ... • Tumor • Trauma ... #Ophthalmology
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... pain, high energy trauma ... of neoplasm • Fracture ... • Cauda Equina Syndrome ... Diagnosis #Algorithm #Causes
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
for the neuro-ophthalmologic ... Miller-Fisher syndrome ... , blowout fracture ... Differential #Diagnosis #Causes ... #Ophthalmology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Bone/Joint Causes ... Leg Pain: • Fracture ... pseudogout • Trauma ... Red Flags: • Trauma ... History of blunt trauma
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Holmes-Adie Syndrome ... dissociation • Other causes ... of tonic pupil (trauma ... #PhysicalExam #neurology ... #ophthalmology