13 results
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... - Differential Diagnosis ... bladder dysfunction, saddle ... Fracture • Tumor/lnfection ... #Algorithm #Causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... Pleuritic chest pain ... #pulmonary #differential
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Diagnosis Primary ... Manifestations: • Infection ... : Epidural abscess ... #causes #primarycare ... #table
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... epidural hematoma • Infection ... (abscess, etc) ... Incontinence • Saddle ... pathophysiology #diagnosis
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
sequestration • Saddle ... Mnemonic: • S - Saddle ... - Emergency Causes ... /abscess • Ankylosing ... #causes #neurology
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Syndrome of right middle ... diarrhea, abdominal pain ... Diagnosis Of NTM ... #differential #diagnosis
Neurological Manifestations of Tuberculosis
Spinal Arachnoiditis & Polyradiculopathy:
 • Subacute onset of limb weakness, bladder/bowel dysfunction, muscle
wasting, radicular pain ... dysfunction, back pain ... stroke Tuberculous Abscess ... neurological symptoms • Caused ... #Tuberculosis #diagnosis
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Spinal stenosis - Abscess ... Infarction - Infection ... Impotence - Saddle ... Sensory loss - Saddle ... #differential #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... tract: Abdominal pain ... ear infections, ... rhinitis/sinusitis, saddle ... tract, and often causes
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... encephalitis, abscess ... of sinus or ear infection ... parasitic or fungal infection ... differential #emergency #diagnosis