16 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
(Histoplasma, Cryptococcus ... failure, COPD, Lung ... CXR +/- High res CT ... Ag, Urine Histo ... HIVAIDS #workup #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... be detected on CT ... the underlying cause ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
periphery of the lung ... may aid in the diagnosis ... In this case, pulmonary ... confirmed with chest CT ... EmergencyMedicine #CriticalCare
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... lesions • 80% with lung ... histoplasmosis, cryptococcus ... #causes #radiology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
: UA, Urine protein ... Other tests: • CT ... Goodpasture's cause ... sparing of the lung ... seen on chest CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... seen • Chest CT ... Dermatitidis - Cryptococcus ... #Abscess #pulmonary ... #differential #causes
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
Coccidioides spp., Cryptococcus ... complex • Nodular/Masses ... Actinomyces spp., NHL; Lung ... #differential #diagnosis ... #chestCT #radiology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... , Cryptococcal pneumonia ... • CT: Halo sign ... factor • May cause ... Infections #HIV #AIDS #pulmonary
Broncholithiasis - Differential Diagnosis Framework

 • Also known as: Lung stones, pulmoliths, pneumoliths, bronchial calculi
 •
Also known as: Lung ... bronchus • Chest CT ... Broncholithiasis - Infectious Causes ... Immitis • Cryptococcus ... Noninfectious Causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Aspergillus • Cryptococcus ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... Treat underlying cause