45 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Disseminated Gonoccocal Infection ... rash) • Primary HIV ... Infection • Endocarditis ... Diagnosis #Algorithm #Orthopedics
Medial Approach Knee Intra-articular Corticosteroid Injection 

Landmark 1/3 to 1/2 way from top of patella. Find
Corticosteroid Injection ... Corticosteroid #Injection ... procedure #msk #orthopedics ... #sports #rheumatology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Pseudotumor - Infectious ... • CMV • HIV ... History of Bleeding, Infection ... Algorithm #Causes #Hematology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
spine, shoulders, hips ... By: - Chronic Infection ... - Autoimmune Rheumatologic ... Parvovirus B19 • HIV ... Diagnosis #MSK #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Quinidine • HIT ... Vasculitis • Infection ... Algorithm #Causes #Hematology
Greater Trochanteric Bursa Injection 

Usually roll patient on side, find the most tender spot, approximately an
leg well below hip ... Deeper injection ... video #procedure #rheumatology ... #sports #msk #orthopedics ... #hip
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
history of recurrent infections ... disease • Infectious ... community-acquired infections ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
SLE) - Viral infections ... APLS • Acute Infectious ... Ig A vasculitis/HSP ... Differential #Diagnosis #hematology ... #rheumatology #
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
predispose to other orthopedic ... common sites: hip ... diagnosis #causes #hematology
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
., HIV), EBV infection ... Etiology: - Infections ... (HIV, EN, HTLV- ... Tuberculosis • HIV ... #differential #hematology