12 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
/AIDS Patients ... disease, Pulmonary ... alveolar proteinosis ... Actinomyces spp., NHL; Lung ... #diagnosis #chestCT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Diagnosis Framework Disease ... • CT: Halo sign ... phagocytic function of alveolar ... Infections #HIV #AIDS ... #pulmonary #differential
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... failure, COPD, Lung ... : Imaging (CXR ... +/- High res CT ... chest scan), CBC
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS ... , Pneumonia and ... , Interstitial Lung
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
: Pleuritic chest ... Blood cultures • CXR ... ) • CXR upright ... CT Lung Abscess ... #Abscess #pulmonary
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... rarely typical pneumonia ... #CXR #clinical ... #CT
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... filling of the alveoli ... nodular interstitial lung ... disease, that is ... Diagnosis #Radiology #CXR
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... leading to diffuse alveolar ... sparing of the lung ... CT ... diagnosis #management #treatment
Pulmonary Nodule
Evaluation is guided by nodule size & assessment of probability of malignancy. In addition is
Evaluation is guided ... with a repeat chest ... The treatment of ... disease and coronary ... artery disease;
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
starting amiodarone treatment ... , ARDS, DAH, solitary ... Pleuritic chest ... macrophages in alveolar ... macrophages Treatment