10 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... • Infection: Cellulitis ... #differential #diagnosis ... #lower #extremity ... #msk #physicalexam
Unilateral / Asymmetric Lower Extremity Swelling - Differential Diagnosis Framework
Acute:
 • DVT *Can't Miss Diagnosis
 •
Unilateral / Asymmetric Lower ... Extremity Swelling ... Baker's Cyst, Cellulitis ... Complex Regional Pain ... Syndrome • Pelvic
Peripheral Edema - Differential Diagnosis Framework for Lower Extremity Edema

Edema occurs when any of the following
- Differential Diagnosis ... DVT • CHF • Cellulitis ... Complex regional pain ... #differential #diagnosis ... #Extremity #PhysicalExam
Acute Spinal Cord Injuries: Pathogenesis and clinical findings
 • Anterior Cord Syndrome -> Anterior spinal artery
hyperextension -> Upper extremity ... Primarily Upper Extremity ... Mixed upper and lower ... #diagnosis #pathophysiology ... signs #symptoms #msk
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 pain ... Differential Diagnosis ... extremity muscle ... stimulation of skin ... #differential #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... • Cauda Equina Syndrome ... - Low back pain ... Dermatomes #Myotomes #diagnosis ... sensory #motor #leg #physicalexam
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
lesions + Rheumatic pain ... thickening • Osteitis: pain ... medium to large lower-extremity ... joints Diagnosis ... pelvis, heel, and lower
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... the upper and lower ... • Cogan Syndrome ... extremities, upper extremity ... , testes -> pain
Summary of Oncologic Emergencies

Neutropenic fever:
- Fever + ANC < 500 → start cefepime ± vancomycin (if
abdomen if abdominal pain ... compression: - Lower-extremity ... dyspnea, upper-extremity ... 100 000 (can be lower ... Oncology #HemeOnc #Diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Differential Diagnosis ... Arthritis: • Joint pain ... (hypertension, lower ... extremity edema