233 results
Eosinophils (Eos) and hypereosinophilia (HE)
Caused by eosinophilopoietic cytokines
Common causes:
 - Drug reaction
 - Helminth infection
 -
reaction - Helminth infection ... CD3-CD4+ T cells ... aspergillosis - Viral infections ... #Differential #Diagnosis ... #Causes
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
most likely to cause ... underlying lung disease ... as disseminated disease ... Mycobacterium #diagnosis ... #differential #infectiousdiseases
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... spp, Atypical infection ... Penicillium marneffei Parasitic ... Diseases Fellows ... HIVAIDS #workup #diagnosis
"Recommended laboratory HIV testing algorithm for serum or plasma specimens. Based on: Centers for Disease Control
on: Centers for Disease ... Testing for the Diagnosis ... of HIV Infection ... #Testing #HIV #CDC ... #InfectiousDisease
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... multiple lesions Infectious ... • Nocardia • Parasitic ... #differential #diagnosis ... #causes #radiology
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... - Differential Diagnosis ... antibiotics as a cause ... Autoimmune: Crohn's disease ... #InfectiousDiseases
Causes of Fever of Unknown Origin (FUO) - Differential Diagnosis Algorithm
Neoplasm:
• NHL
• Hodgkin's lymphoma
• Leukemia
• Solid
Causes of Fever ... - Differential Diagnosis ... fever • Lyme disease ... malaria) • other parasites ... #Algorithm #causes
Causes of Acute Onset Fever - Differential Diagnosis Algorithm
Viral:
 • Rhinovirus
 • Influenza Virus
 • Parainfluenza
Causes of Acute ... - Differential Diagnosis ... eg.malaria) • Other parasites ... • Sickle Cell disease ... #Algorithm #causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... accumulation of clinical ... salmonella, ...), Parasites ... Drugs, Unknown cause ... #management #treatment
Invasive fungal infections: Morphology, Risk Factors, Disease Characteristics, Diagnostic Tools, First-Line Treatment
Aspergillus, Mucorales, P. Jiroveci, Cryptococcus,
Invasive fungal infections ... Risk Factors, Disease ... Characteristics, Diagnostic ... #InfectousDiseases ... #Diagnosis #Management