10 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... Pulmonary edema; ARDS ... tuberculosis Infectious ... ID_fellows #HIVAIDS ... #radiology
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... ARDS 3. ... Lung #Pulmonary #ChestCT ... #radiology #CTChest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... spp, Atypical infection ... /- High res CT chest ... #HIVAIDS #workup
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on Chest ... pna, pulm hge, ARDS ... doi.org/10.1016/j.chest ... Pulmonary #diagnosis #radiology
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
pneumonia (COP/BOOP) - Infection ... heart failure, ARDS ... AIP) #Clinical #Radiology ... #CTChest #CrazyPaving
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... Pneumonia: • Chest ... #HIV #AIDS #pulmonary
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
exsudate due to infection ... capillary leak like in ARDS ... #Clinical #Radiology ... #CTChest #CHF #
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
organizing pneumonia, ARDS ... Pleuritic chest ... failure - Infectious ... reticular opacities on chest
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Skin exam for infection ... ACEi/ARBs - Hold ... one post op Cardiology ... change CV risk Chest
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
Disseminated Infections ... 50% in chronic infection ... weeks for acute infection ... aches, joint pain, chest ... yeast • At risk: AIDS