11 results
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
acute reticular pattern ... This was a PCP-infection ... manifestation of AIDS ... #Clinical #Radiology ... #CXR #Acute #Interstitial
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
CNS Infection in ... HIV / AIDS - Differential ... tuberculomas, or abscesses ... Demyelinating disease caused ... #Infections #differential
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Tuberculosis - Patterns ... spread of MTB infection ... • Cavitation, Abscess ... #chest #xray #clinical ... #radiology #CXR
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
PCR 50% sensitive ... Syphilis • Pyogenic Abscess ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Blood cultures • CXR ... early disease) • CXR ... of PCN allergy ... Differential Diagnosis
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Differential Diagnosis ... Causes: • Still's ... Leptospirosis Pel-Ebstein ... Brucellosis Faget's Sign ... #Differential #
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
The most common cause ... Look for other signs ... superimposed pulmonay infection ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Lymphadenopathy, CNS ... #HIV #AIDS #pulmonary
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
On the left a chest ... was caused by multiple ... the central dot sign ... #Clinical #Radiology ... #CXR #CTChest #
Emergent Causes of Headache and Associated Risk Factors
Carbon monoxide poisoning
 - Breathing in enclosed or confined
Emergent Causes ... encephalitis, abscess ... customary headache patterns ... headache #redflags #signs ... #symptoms #differential