18 results
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... compression of nerve ... - Emergency Causes ... • Provocative Tests ... #causes #neurology
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
for Piriformis Syndrome ... Flex the hip ... lumbar #clinical #video ... #physicalexam #msk ... #sports #orthopedics
Piriformis Test (FAIR Test - Flexion, Adduction, and Internal Rotation)

Flex the hip to 90 degrees, then
Internal Rotation) Flex ... compress the sciatic nerve ... lumbar #clinical #video ... #physicalexam #msk ... #sports #orthopedics
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
and Myotomes Reflexes ... Conditions: • Cauda ... Equina Syndrome ... Commonly caused ... damage to peroneal nerve
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... , T1 (median) Reflexes ... Carpal Tunnel Syndrome ... #UpperLimb #Extremity ... Dermatomes #Myotomes #diagnosis
Piriformis Test

The Piriformis test evaluates for pain from sciatic nerve irritation caused by the piriformis muscle.
With
pain from sciatic nerve ... irritation caused ... degrees and the hips ... #clinical #video ... #sports #msk #orthopedics
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... paralysis of all extremity ... Decreased / Absent Reflexes ... Guillain-Barre Diagnosis ... roots and cauda
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... of normal leg reflexes ... damage to sacral nerves ... #diagnosis #symptoms
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... depressed deep tendon reflexes ... paralysis of all extremity ... and sensitive tests ... roots and cauda