2789 results
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Vasculitis - Anti-GBM ... Disease - Double ... Positive (ANCA + anti-GBM ... : Hantavirus infection ... , mitral valve disease
Hepatitis B (HBV) Serology

HBsAg - Presence denotes current HBV infection (chronic or acute)
HBV Core Antibody -
some point - Anti-HBcAg ... - Anti-HBcAg ... Anti-HBsAg - denotes ... of active viral disease ... infectiousness Anti-HBeAg
Non-HCV infectious mixed cryoglobulinemia vasculitis - Diagnosis, causes and management - French Vasculitis Study Group

< 5%
Non-HCV infectious ... - Specific anti-infectious ... related to HBV infection ... the absence of anti-infectious ... with refractory disease
Lymphadenopathy - Differential Diagnosis Algorithm
Localized: 
 • Cervical: EBV, CMV, HIV, Toxo, TB, Lymphoma, Head /
Melanoma • Axillary: Infection ... Thyroid / larynx disease ... Sexually transmitted infections ... , Sjögren's • Infection ... Beta-Blockers, Anti-epileptic
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
5-10% - Anti- ... 5-15% - Anti-Ku ... Other auto-immune, Infectious ... diseases, Hematological ... sclerosis, Still's disease
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
• Autoimmune diseases ... Adult-onset Still disease ... Etiological+++: Anti-infectious ... chemotherapy, anti-CD20 ... manifestations, Anti-IFN-y
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Goodpasture's Disease ... allopurinol), Infection ... testing: anti-ANCA ... ab, anti-GBM ab ... DAH, rule out infection
Male Sexual and Erectile Dysfunction - Differential Diagnosis Algorithm
Erectile Dysfunction
 - Psychological
    •
Anti-depressants ... Amphetamines) Chronic Disease ... Cardiovascular Disease ... Connective Tissue Disease ... Priapism • Infection
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... Coombs testing for anti-C3d ... and negative anti-lgG ... Check For: • Infections
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Immune-complex disease ... , Anti-GBM • Tubular ... Immune-mediated, Infection-mediated ... Bilateral ureteral disease