13 results
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
, Alveolar Proteinosis ... Miliary Infection (TB ... Acute Eos PNA • Chronic ... Pneumonia, COP, Chronic ... Crazy Paving: Alveolar
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... Progressing to diffuse alveolar ... oedema due to heart ... Clinical #Radiology #CXR ... #ChestXRay #ARDS
On the left another patient with alveolar edema at admission, which resolved after treatment.
When you scroll
another patient with alveolar ... edema at admission ... Clinical #Radiology #CXR ... #CHF #Alveolar ... #Pulmonary #Edema
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Definition: Diffuse alveolar ... Hemoptysis, Peripheral edema ... • Labs: CBC, cr ... , anti-CCP • CXR ... differential #diagnosis #nephrology
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
reach the terminal alveoli ... taken up by the alveolar ... • Silicosis • Chronic ... and Culture • CXR ... disease • Check CXR
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
reach the terminal alveoli ... taken up by the alveolar ... • Silicosis • Chronic ... and Culture • CXR ... disease • Check CXR
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
(alveolar edema ... redistribution of the pulmonary ... Clinical #Radiology #CXR ... #CHF #Alveolar ... #Pulmonary #Edema
Noninvasive Positive Pressure Ventilation (NIPPV)

Expiratory & Inspiratory Positive Airway Pressure
Both increase intrathoracic pressure, which can decrease
can "recruit" alveoli ... exacerbation (cardiogenic pulmonary ... edema) • COPD ... often w/ acute on chronic ... exacerbation) • Chronic
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
rales, peripheral edema ... *Chronic HFrEF may ... Kerley B lines, alveolar ... edema, bilateral ... → no signs of CXR
Based on the images alone, it is usually not possible to determine the cause of the
like acute or chronic ... OP) - multiple chronic ... edema - filling ... of the alveoli ... Diagnosis #Radiology #CXR