67 results
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
Approach to Gout ... Diagnosis: r/o ... Needle-shaped, negative ... #diagnosis #management ... treatment #ULT #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Case description ... • This case should ... be diagnosed ON ... Differential diagnosis ... #msk #rheumatology
Transplant Infections Timeline
Pre-transplant:
 • Common bacteria (endogenous): Staphylococci (skin), Gram-negative bacilli (gut)
 • Viruses: HSV (reactivation)
Engraftment:
Staphylococci (skin), Gram-negative ... bacilli (gut) ... Staphylococci (skin), Gram-negative ... #differential #diagnosis ... #causes #infectiousdiseases
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Causes of Polycythemia ... - Differential Diagnosis ... Algorithm Relative ... Abnormal Abdominal Ultrasound ... #Hematology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Pauci-immune mediated (Negative ... #differential #diagnosis ... #algorithm #rheumatology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Sensitivity (rule out ... 100%, then all negative ... proportion of negative ... that are true negatives ... #calculations #diagnosis
Syphilis - Diagnosis and Management - Primary vs Secondary vs Tertiary
Primary Syphilis
 • Localized lymphadenopathy
 •
Syphilis - Diagnosis ... 30-40%) - Negative ... treponemal tests rule out ... Secondary #Tertiary #Comparison ... #Diagnosis #Management
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
culture used to diagnose ... Needle-shaped, negatively ... stain and culture- Diagnose ... #Comparison #rheumatology ... #Diagnosis
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
Native and ... lemon juice • Gut ... Endocarditis #Sources #Causes ... #Microbiology #Diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Arthritis Differential Diagnosis ... Crystal induced (Gout ... weeks) Can Be Caused ... aureus • Gram-negative ... #MSK #rheumatology