15 results
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential ... dysfunction, saddle paresthesia ... of neoplasm • Fracture ... Symptoms • Cauda Equina
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... lumbar spine Signs ... Incontinence • Saddle Anesthesia ... suspected, immediate MRI ... CaudaEquina #Syndrome #MSK
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• S - Saddle anesthesia ... distinguishing feature ... Imaging studies: • MRI ... #syndrome #differential ... diagnosis #causes #neurology
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 ... cholecystitis; • Neurologic ... #primarycare #msk
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda Equina ... Syndrome - Low back pain ... saddle (perineal) anesthesia ... such as fibular fracture ... Myotomes #diagnosis #neurology
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... Controversy: Subchondral fracture ... for secondary signs ... Differential diagnosis ... foot #clinical #mri
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Chondrodysplasia Neurologic ... Greater Trochanter Fracture ... Sacroiliac Joint Pain ... causes #symptoms #signs ... #diagnosis #msk
Interscalene Nerve Block on POCUS
Fracture/dislocation of a shoulder. Pt hypoxic/hypovent due to opiates. When your rock
Block on POCUS Fracture ... NerveBlock #POCUS #ultrasound ... #clinical #pain ... #local #anesthesia ... #msk
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... : • Fracture ... Paralysis 4) Paresthesia ... #differential # ... lower #extremity #msk
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
result in permanent neurologic ... Vertebral burst fracture ... involvement Cauda Equina ... syndromes #lesions #differential ... #diagnosis #neurology