10 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
artery aneurysms Nerve ... Causes of Leg Pain ... Spinal stenosis/nerve ... Paralysis 4) Paresthesia ... lower #extremity #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... Causes: • Large ... Incontinence • Saddle Anesthesia ... damage to sacral nerves ... #MSK #pathophysiology
US guided musculocutaneous nerve block for forearm laceration.  Short axis of needle and nerve are
musculocutaneous nerve ... of needle and nerve ... NerveBlock #POCUS #Ultrasound ... Clinical #Transverse #MSK ... #Anesthesia #Pain
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... • S - Saddle anesthesia ... • P - Pain ... - Emergency Causes ... differential #diagnosis #causes
Spinal Accessory Nerve Block for Myofascial Pain on POCUS

The needle is being viewed in-plane, approaching the
Spinal Accessory Nerve ... for Myofascial Pain ... #Block #POCUS #Pain ... #clinical #ultrasound ... #anesthesia #MSK
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
• Cauda Equina Syndrome ... - Low back pain ... saddle (perineal) anesthesia ... Commonly caused ... damage to peroneal nerve
Interscalene Nerve Block on POCUS
Fracture/dislocation of a shoulder. Pt hypoxic/hypovent due to opiates. When your rock
Interscalene Nerve ... NerveBlock #POCUS #ultrasound ... #clinical #pain ... #local #anesthesia ... #msk
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
irreversible muscle and nerve ... • Syndrome caused ... - Intense pain ... days, the local pain ... progresses to anaesthesia
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
Sjogren's Syndrome ... Hypocomplementemia • Can cause ... myelopathy, cranial nerve ... phenomenon (16%) MSK ... lubricants • Pharmacologic
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
DISLOCATION: ~25% cases ... Common peroneal nerve ... Compartment syndrome ... lachmans, posterior drawers ... Posterior #Injury #msk