9 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Fever/Chills/Joint ... Infectious Knee ... Alphavirus - Fungi ... #diagnosis #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... noninflammatory Signs ... • Lyme • Gout ... #Diagnosis #MSK ... #rheumatology #
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
inflammatory response Risk ... forefoot, ankles, knees ... 12-24 Hours • Fever ... Diagnose concomitant infection ... drug failure • Risk
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
infection (IFI) ... surfaces - Infections ... useful in high risk ... BAL GM does not differentiate ... or GVHD (leaky gut
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
diagnose concomitant infection ... inflammatory response Risk ... forefoot, ankles, knees ... 12-24 Hours • Fever ... #Comparison #rheumatology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Arthritis • Gout ... injury • DVT (Risks ... pain/swelling - Fever ... lower #extremity #msk
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Pseudomonas FUNGAL ... • CT: Halo sign ... Pneumonia: • Risk
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
surfaces, Albumin, Infections ... useful in high risk ... in BAL does not differentiate ... post-2010 almost never ... or GVHD (leaky gut
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
disease Malignancy Risk ... and increased risk ... dermatomyositis) Malignancy Risk ... and increased risk ... and increased risk