35 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... • CD4 < 200: PCP ... Fungal, AFB), TB PCR ... sputum, PCP DFA ... diagnosis #evaluation #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... Opportunistic Infections ... opportunistic infections ... #differential #
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases - Differential ... nodosa, SLE • Infectious ... Neurosyphilis, PML ... Demyelinating #Diseases #Differential
Acute Diarrhea - Differential Diagnosis Framework
1)  Diagnostic studies only for dysentery, severe disease, >7 days
2)
Acute Diarrhea - Differential ... disease, >7 days 2) PCR ... recommended Infectious ... Acute #Diarrhea #Differential ... #Diagnosis #Infectious
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
of Seizures - Differential ... brain injury • Infectious ... Neurocysticercosis, PML ... Prophyria #Seizures #Differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
toxo IgG • CNS PCR ... splenomegaly Other infections ... multiple lesions Infectious ... Lesions #Brain #differential
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Hemolysis - Differential ... Drug-associated, PCH ... Internal (RBC) - Infections ... #Hemolysis #Differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Donath-Landsteiner Antibodies[PCH ... - Due to Viral infection ... Polyclonal - Viral Infection ... younger pts) Differential ... Hemoglobinuria (PCH
Causes of Extravascular and Intravascular Hemolysis - Differential Diagnosis Algorithm
Extravascular - Spleen and RES-mediated hemolysis
 -
Intravascular Hemolysis - Differential ... circulation - Infections ... Cold AIHA • PCH ... Extravascular #Differential
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary infections ... immunofluorescence, PCR ... Pulmonary #Lung #Infections ... ComputedTomography #Differential