29 results
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Pain - Differential ... pulposus, Compression fracture ... , Spinal stenosis ... #primarycare #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... Commonly caused ... such as fibular fracture ... - Narrowing of spinal
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Embolism (e.g. fractured ... Vessel (dislocation/fracture ... Marfan's Syndrome ... Vascular #JointPain #MSK ... #Orthopedics #Causes
Vertebral Body Abnormalities

A sheet of common (and uncommon) vertebral body findings, because a completely “normal” spine
Morquio Syndrome ... Plana Compression Fracture ... Anterior Compression Fracture ... Abnormalities #Radiology #MSK ... Vertebrae #diseases #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
- Emergency Causes ... distinguishing feature ... #differential # ... diagnosis #causes ... #neurology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Leg Pain: • Fracture ... deficiency etc) • Spinal ... cyanosis - Cool extremity ... #msk #physicalexam
Pathologic / Fragility Fractures - Differential Diagnosis Algorithm 
Tumours
 - See Bone Lesions Scheme
Paget's Disease
 -
Pathologic / Fragility Fractures ... Disease - Skull/spine ... #Fragility #Fractures ... #Pathologic #MSK ... #Orthopedics #Causes
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... compression by fractured ... Cord Causes: 1 ... MCTD, Sjogren syndrome ... #differential
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Syndromes Spinal ... Causes of spinal ... Vertebral burst fracture ... #lesions #differential ... #diagnosis #neurology
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... - Differential ... contralateral extremity ... findings Unilateral Spinal ... Brown-Sequard Syndrome