119 results
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... negative culture Brain ... : Aspergillus, Cryptococcus ... nocardia - Fungal: Cryptococcus ... Coccidiomycosis, Cryptococcus
Causes of CSF Lymphocytic Pleocytosis - Differential Diagnosis
Viral: Arbo, Adeno, Herpes, Entero, HIV
Fungal: Cryptococcus, Cocci, Histo,
Causes of CSF Lymphocytic ... Herpes, Entero, HIV ... Fungal: Cryptococcus ... Differential #Diagnosis #Causes
Initiation of ART in HIV patients with Opportunistic Infections
 • Pulmonary TB and CD4 cell count
Initiation of ART in HIV ... regardless of CD4 • Cryptococcal ... Therapy #HAART #HIV
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... CD4 < 200: CMV, HSV ... (Histoplasma, Cryptococcus ... ABG, BDG, Serum Cryptococcal
Differential diagnosis of Skin + Eye infections
 • Bacterial: Staph spp, Strep spp, Pseudomonas spp, Bartonella,
Syphilis • Viral: HSV ... /II, VZV, CMV, HIV ... Aspergillus spp, Cryptococcus
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... Hepatitis C virus, HIV ... Coccidioides species, Cryptococcus ... diagnosis #cardiology #causes
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Causes of Encephalopathy ... Differential Diagnosis Algorithm ... Neoplasm-related (brain ... complications of HIV ... #Causes
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
histoplasmosis, cryptococcus ... RingEnhancing #Lesions #Brain ... differential #diagnosis #causes
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
(SPA) • Other Causes ... common bacterial causes ... Mycobacterial Causes ... Fungi: Candida, Cryptococcus ... Paracoccidioides • Viruses: HIV
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
Infectious Causes ... canimorsus • Virus: HIV ... Histoplasma capsulatum, Cryptococcus ... #Infectious #Causes