44 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
19 Patterns of Lung ... ARDS 3. ... Organizing Pneumonia ... #Pulmonary #ChestCT ... #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
these patterns are ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... Infections #HIV #AIDS ... #pulmonary #differential ... #diagnosis #infectiousdiseases
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
leading to increased pulmonary ... oxygenation in pneumonia ... and are harmful ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
: Atelectasis, ARDS ... , Pneumonia and ... Embolism, Obstructive Lung ... , Interstitial Lung ... #differential #diagnosis
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
- Differential Diagnosis ... Thickening/Masses Chest ... Alveoli • Pneumonia ... • ARDS • COPD ... Interstitium • ILD
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... Chronic diseases are ... the differential diagnosis ... #Pulmonary #CXR ... Differential #Table #RadiologyAssistant
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
be present on a chest ... lobar collapse, lung ... : - Mild - ... Definition #Criteria #Diagnosis ... #CriticalCare
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... densities iin the left lung ... , which are probably ... cavitation in the right lung ... SepticEmboli #Cavity #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... ill-defined and ... the differential diagnosis ... Biopsy revealed the diagnosis ... OrganizingPneumonia #BOOP #RadiologyAssistant