25 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 ... ) Day 2 - some pulmonary ... Progressing to diffuse alveolar ... #Clinical #Radiology ... CXR #ChestXRay #ARDS
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
â–º
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 ... tuberculosis, any site (pulmonary ... syndrome due to HIV #AIDS
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. ... Patterns #Lung #Pulmonary ... #ChestCT #radiology
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Age-Adjusted Gradient • Alveolar ... Weakness, Loss of Chest ... Elasticity (flail chest ... : Atelectasis, ARDS ... #AA #Gradient #alveolar
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Thickening/Masses Chest ... Alveoli • Pneumonia ... • ARDS • COPD ... • Neoplasm Pulmonary ... Vessels • Pulmonary
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
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Distress Syndrome (ARDS ... week of a known clinical ... be present on a chest ... severity of the ARDS ... >= 5cm H2O #ARDS
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