17 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 ... disease, Pulmonary alveolar ... #diagnosis #chestCT ... #radiology
COVID-19 patient with severe ARDS

Giuseppe Curigliano, MD, PhD @curijoey

Editor Note: Pt likely has severe underlying emphysema

#COVID19
patient with severe ARDS ... emphysema #COVID19 #ARDS ... #Severe #Clinical ... #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
AIDS-defining illnesses
 - Candidiasis of the esophagus, bronchi, trachea, or lungs [(but NOT the mouth (thrush)]
AIDS-defining illnesses ... duration) - Kaposi ... Burkitt's (or equivalent ... syndrome due to HIV #AIDS ... Diagnosis #List #Differential
On the left a patient with ARDS. 
There is alveolar edema in both lungs. 
Notice that
a patient with ARDS ... There is alveolar ... #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 ... #AA #Gradient #alveolar ... Hypoxia #hypoxemia #differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Thickening/Masses Chest ... Distention Pulmonary Alveoli ... Pneumonia • ARDS ... #Dyspnea #SOB #Differential
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
be specific for alveolar ... other diseases. - Alveolar ... 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 ... 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