26 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Myalgia • Viral Arthritis ... rash) • Primary HIV ... #JointPain #MSK ... #Differential #
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Bacterial or viral infection ... Pulmonary ... syndrome - SLE Neurologic ... Cardiomyopathies - Viral infection ... #joint #pain #differential
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
- Differential ... Inflammatory: MS ... nodosa, SLE • Infectious ... : HIV, Lyme, Neurosyphilis ... Diagnosis #causes #neurology
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Fever, Arthralgia/arthritis ... fraction < 20% Differential ... Diaqnoses: • Infectious ... Coxsackie, CMV, EBV, HIV ... hepatitis • Pulmonary
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... - DDX: - Infection ... Brucellosis - Viruses: HIV ... Effusions #causes #differential ... #diagnosis #msk
Causes of Fatigue - Differential Diagnosis Algorithm
Endocrine
 • Hypo/Hyperthyroidism
 • Diabetes
 • Pituitary Insufficiency
 • Adrenal
• Malignancy Infectious ... Hepatitis • HIV ... • Rheumatoid Arthritis ... Chronic Obstructive Pulmonary ... Disease Neurologic
Causes of Peripheral Weakness without Sensory Changes - Differential Diagnosis Algorithm
No Objective Weakness
 • Cardio-pulmonary disease
Weakness • Cardio-pulmonary ... disease • Anemia ... • Chronic Infection ... Deconditioning • Arthritis ... Peripheral #Weakness #Neurology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... erythematosus, Rheumatoid arthritis ... allopurinol), Infection ... DAH, rule out infection ... #diagnosis #nephrology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Calcium oxalate Infectious ... Acute or chronic infections ... e.g., congenital hip ... #Joint #Pain #MSK ... approach #workup #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Rheumatologic Disease ... Parvovirus B19 • HIV ... Joint #pain #Differential ... #Diagnosis #MSK