109 results
Non-infective endocarditis Characteristics and Pathophysiology

By Dr. Sara Dong @swinndong via #IDFellowCase

#ID  #Infectious Diseases  #Infections
#Differential
Characteristics and Pathophysiology ... IDFellowCase #ID #Infectious ... Diseases #Infections ... Endocarditis #Cardiac #Pathophysiology
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... Polyclonal - Viral Infection ... reticularis • Raynaud ... Positive Coombs testing ... setting - Mycoplasma
"Recommended laboratory HIV testing algorithm for serum or plasma specimens. Based on: Centers for Disease Control
laboratory HIV testing ... on: Centers for Disease ... Laboratory Testing ... Diagnosis of HIV Infection ... Empendium #Testing
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... developing active infection ... intermediate risk of disease ... Tuberculin skin testing ... microscopy • Testing
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... Triggering factor (infection ... • Autoimmune diseases ... Adult-onset Still disease ... , Infection under
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Consider sickle cell disease ... Cold agglutinins disease ... , Hemoglobin H disease ... inclusions - If infection ... workup #hematology #testing
Invasive Aspergillus (IA) - Diagnosis and Management
Aspergillus is ubiquitous in nature. Most invasive infections are caused
Most invasive infections ... Rhinosinusitis, CNS infection ... , Disseminated infection ... Diagnosis and Testing ... Diseases Fellows
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
vasculitis, Behcet disease ... Goodpasture's Disease ... allopurinol), Infection ... testing: anti-ANCA ... DAH, rule out infection
Systemic Sclerosis (Scleroderma)
Multi-system autoimmune disease characterized by vasculopathy and progressive fibrosis of skin and internal organs
3
Multi-system autoimmune disease ... interstitial lung disease ... • Vascular: Raynaud's ... signs #symptoms #testing
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
Photosensitivity 29% - Raynaud's ... Other auto-immune, Infectious ... diseases, Hematological ... sclerosis, Still's disease