11 results
Radiographic appearances of pulmonary diseases in HIV/AIDS Patients
 • Diffuse Interstitial Infiltrates: Pneumocystis jirovecii, M.tuberculosis, Histoplasma
diseases in HIV/AIDS ... toxicity, Pulmonary edema ... ; ARDS, Metastatic ... #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 ... structures help in the differential ... #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 ... Mismatch: Pulmonary Edema ... Hypoxia #hypoxemia #differential
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
be specific for alveolar ... Pulmonary hemorrhage - Edema ... heart failure, ARDS ... , AIP) #Clinical ... #Radiology #CTChest
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... embolism, Pulm edema ... 200: Pulmonary Kaposi's ... /- High res CT chest ... diagnosis #evaluation #differential
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
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 ... Pulmonary #diagnosis #radiology ... #clinical
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Fraction (HFrEF) Clinical ... Chest x-ray: signs ... Kerley B lines, alveolar ... Inhibitors and ARBs ... diagnosis #management #cardiology
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
(NCPE) - Differential ... interstitium and alveoli ... respiratory failure or ARDS ... infiltrates on chest ... #causes #differential