13 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 # ... #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 ... tuberculosis, any site (pulmonary ... syndrome due to HIV #AIDS ... Diagnosis #List #Differential
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Chronic Dyspnea - Differential ... Thickening/Masses Chest ... Alveoli • Pneumonia ... • ARDS • COPD ... #Dyspnea #SOB #Differential
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
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... Kaposi's Sarcoma ... /- High res CT chest ... #Infections #HIVAIDS ... diagnosis #evaluation #differential
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
be specific for alveolar ... Bronchoalveolarca (BAC) - Pulmonary ... heart failure, ARDS ... , AIP) #Clinical ... #Radiology #CTChest
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 ... pna, pulm hge, ARDS ... Sign #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Uncommon Causes of Noncardiogenic Pulmonary Edema (NCPE) - Differential Diagnosis Framework

High Altitude Pulmonary Edema:
 • Accumulation
Edema (NCPE) - Differential ... interstitium and alveoli ... respiratory failure or ARDS ... infiltrates on chest ... scattered crackles, chest