17 results
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis
 • Infection: Extrapulmonary tuberculosis, Abscess, Endocarditis,
Origin (FUO) - Differential ... tuberculosis, Abscess ... Malignancy: - Hematologic ... ): Lupus, Rheumatoid ... (Temporal arteritis
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... to metastatic disease ... Systemic Diseases ... #Differential # ... #primarycare #table
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... - Differential ... • Systemic Lupus ... Inflammatory #JointPain #MSK ... #Differential #
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Polyarteritis Nodosa (PAN ... (RA), Systemic lupus ... Sara Dong @swinndong ... #Diagnosis #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... mainly or only during ... #MSK #rheumatology ... approach #workup #differential
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
assay (IFA) is the main ... Using fluorescence ... Juvenile Idiopathic Arthritis ... ANA #patterns #rheumatology ... #diagnosis #differential
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Legg-Calve-Perthes disease ... Cu deficiency etc ... #differential # ... lower #extremity #msk
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... . hematologic) ... : • Joint pain ... pancreatitis, protein-losing ... vein thrombosis Hematologic
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
Degenerative joint disease ... nociceptors -> Pain ... in Rheumatoid arthritis ... , Lupus, etc) -> ... Comparison #Versus #MSK
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Pleuritic chest pain ... shows a small, stable ... Differential Diagnosis ... • Vasculitis (e.g ... #pulmonary #differential