12 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... on Chest CT 1. ... ARDS 3. ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
Berlin criteria ... be detected on CT ... or CXR ● PaO2/ ... Summary #CheatSheet #Diagnosis ... #Management #CriticalCare
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
Berlin Criteria ... computed tomographic (CT ... lobar collapse, lung ... Definition #Criteria #Diagnosis ... #CriticalCare
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... periphery of the lung ... may aid in the diagnosis ... CT angiography. ... #CriticalCare #
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
CT • Thickened ... pna, pulm hge, ARDS ... Crazy #Paving #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
The Berlin Definition of Acute Respiratory Distress Syndrome (ARDS)

Chest imaging - Bilateral opacities—not fully explained by
Syndrome (ARDS) ... Chest imaging ... effusions, lobar/lung ... >= 5cm H2O #Diagnosis ... #CriticalCare #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... organism identified, Strep ... failure, COPD, Lung ... +/- High res CT ... HIVAIDS #workup #diagnosis
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
- Differential Diagnosis ... ischemic changes CXR ... syndrome (ARDS) ... Transfusion-related acute lung ... #cardiology
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
: weight gain, lung ... HFrEF may lack lung ... Chest x-ray: signs ... of CXR congestion ... Inhibitors and ARBs