1918 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
of ground-glass atenuation ... and areas of low attenuation ... nodules of increased attenuation
Algorithm for Treatment of Chronic Thromboembolic Disease (CTEPH)
Initial Imaging for Screening - V/Q scan - 90-100%
Algorithm for Treatment ... Thromboembolic Disease (CTEPH ... 94-100% sp for CTEPH ... karanpdesai #cteph ... #management #algorithm
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
decreased lung attenuation ... diseases with a low attenuation
Chronic Thromboembolic Pulmonary Hypertension (CTEPH) Diagnosis Algorithm

Defined as pulmonary hypertension (mPAP > 25) > 6 months
Hypertension (CTEPH ... ) Diagnosis Algorithm ... history of PE #CTEPH ... #Diagnosis #Algorithm
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... emphysema: low attenuation
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Honeycombing - See Low Attenuation ... Bronchopneumonia High Attenuation ... Water, Tumor Low Attenuation
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... exercise testing; CTEPH ... Hypertension #Workup #Algorithm
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... emphysema: low attenuation
Using Stroke Windows for Detecting Ischemia on Head CT
When evaluating a CT head for possible stroke,
tissues of differing attenuation ... tissues of similar attenuation
General Algorithms for Assessment of the Left Ventricular Assist Device (LVAD) (Algorithms 1, 2 and 3)

Algorithm
General Algorithms ... Device (LVAD) (Algorithms ... 1, 2 and 3) Algorithm ... LVAD) Patient Algorithm ... troubleshooting Algorithm