17 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... edema; ARDS, Metastatic ... alveolar proteinosis ... differential #diagnosis #chestCT ... #radiology
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
ARDS/VALI progression ... Progressing to diffuse alveolar ... oedema due to heart ... #Clinical #Radiology ... CXR #ChestXRay #ARDS
On the left a patient with ARDS. 
There is alveolar edema in both lungs. 
Notice that
a patient with ARDS ... There is alveolar ... edema in both lungs ... #Clinical #Radiology ... #CXR #ARDS #Alveolar
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 ... Edema, Atelectasis ... #AA #Gradient #alveolar
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... week of a known clinical ... edema must be present ... severity of the ARDS ... >= 5cm H2O #ARDS
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
Bronchoalveolarca (BAC) - Pulmonary ... hemorrhage - Edema ... heart failure, ARDS ... , AIP) #Clinical ... #Radiology #CTChest
B-Lines on Lung POCUS

PE is LEAST likely to show B lines. Juxtaposition of fluid droplets &
B lines on US (alveolar ... incl ddx pulm edema ... , pna, ARDS, contusion ... #Lung #POCUS #clinical ... #Pulmonary #ultrasound
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... in HIV-AIDS Bacterial ... embolism, Pulm edema ... Kaposi's Sarcoma ... /- High res CT chest
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on Chest ... DDx: PAP, pulm edema ... pna, pulm hge, ARDS ... #diagnosis #radiology ... #clinical
Notice that even within each lobe there is a gravity dependent difference in density.
This is only
capillary leak like in ARDS ... #Clinical #Radiology ... #CTChest #CHF #Alveolar ... #Pulmonary #Edema