17 results
Causes of Back Pain #Diagnosis #EM #PrimaryCare #Differential #Back #Pain #BackPain #Spinal #Referred #Algorithm #Ddxof
Causes of Back Pain ... #Diagnosis #EM ... #Back #Pain #BackPain ... #Spinal #Referred ... #Algorithm #Ddxof
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Diagnosis Primary ... arthritis of the spine ... #Pain #Differential ... #Diagnosis #causes
Causes of Low Back Pain - Differential Diagnosis
Intrinsic Spine: Lumbar strain, Herniated nucleus pulposus, Compression fracture,
Causes of Low Back ... Pain - Differential ... Diagnosis Intrinsic ... pulposus, Compression fracture ... , Spinal stenosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• Severe low back ... • S - Saddle anesthesia ... Diagnosis: • ... Palpation - lower back ... #diagnosis #causes
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential ... Diagnosis Algorithm ... dysfunction, saddle paresthesia ... of neoplasm • Fracture
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Syndrome - Low back ... pain, sciatica, ... saddle (perineal) anesthesia ... such as fibular fracture ... Dermatomes #Myotomes #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Vertebral burst fracture ... Impotence - Saddle anesthesia ... loss - Saddle anesthesia ... syndromes #lesions #differential ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
- Differential ... Diagnosis Framework ... neurological lesion: Clinical ... compression by fractured ... Symptoms: • Back
Meralgia paresthetica: Pathogenesis and Clinical Findings
Compression/injury of Lateral Femoral Cutaneous Nerve (LFCN) -> Meralgia paresthetica
 •
Pathogenesis and Clinical ... absent: lower back ... pain, constitutional ... pathophysiology #differential ... #diagnosis #signs
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
at the back of ... hallucis longus Differential ... diagnosis for similar ... #mri #clinical ... #Radiology #diagnosis