16 results
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
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Demyelinating disease caused ... #AIDS #opportunistic ... #InfectiousDiseases
Hepatic Masses on MRI - Differential Diagnosis by MRI Findings

Masses: Hemangioma, Adenoma, FNH, HCC, Fibrolamellar HCC,
- Differential Diagnosis ... Out-of-phase, DWI, ADC ... #differential #diagnosis ... #liver #hepatology ... #radiology #mass
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... Auto-amplification loop Diagnosis ... salmonella, ...), Parasites ... Drugs, Unknown cause ... treatment #summary #rheumatology
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... Infectious Etiologies ... Parvovirus B19 • Parasitic ... #differential #diagnosis ... #cardiology #causes
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... complex • Nodular/Masses ... tuberculosis Infectious ... #differential #diagnosis ... #chestCT #radiology
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... from the various causes ... superimposed pulmonay infection ... , ARDS, near-drowning ... #Diagnosis #Radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... possible in HIV PARASITIC ... #HIV #AIDS #pulmonary ... #infectiousdiseases
Trypanosomiasis - Trypanosoma cruzi Life Cycle
1) Triatomine bug takes a blood meal (passes metacyclic trypomastigotes in
a blood meal (passes ... amastigotes in new infection ... Tcruzi #LifeCycle #diagnosis ... pathophysiology #infectiousdiseases ... #cdc #parasite
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
Causes of Myocarditis ... Infectious Myocarditis ... Leishmania • Parasitic ... #differential #diagnosis ... #cardiology