9 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... < 200: CMV, HSV ... Evaluation: Imaging (CXR ... /- High res CT chest ... diagnosis #evaluation #differential
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... subcortical white matter ... effect/Edema • EBV ... #differential # ... diagnosis #AIDS
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... - Chest Radiology ... pathogens - Viral ... #Chest #Radiology ... diagnosis #pulmonary #CXR
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
anti-ANCA ab, anti-GBM ... ab, ANA, C3, C4 ... , anti-CCP • CXR ... high resolution chest ... #diagnosis #nephrology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Cytopenias VIRAL ... #HIV #AIDS #pulmonary ... #differential #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... changes - Common pattern ... parainfluenza, Coxsackie, HIV ... #Weakness #Differential ... #Diagnosis #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... Herpesviruses (MCC: HSV ... virus • CMV • EBV ... encephalitis, eastern ... diagnosis #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... claudication, visual ... affects the skin, neurologic ... cognitive impairment, neurologic ... white and gray matter
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... x-ray (CXR), try ... pattern that your ... not seen on a CXR ... #Radiology #CTChest