31 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Malformation Normal ... CXR/CT • Hematemesis ... Bronchitis Diffuse CT ... Abnormalities • CHF ... polyangiitis Vascular
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Reverse Halo Sign ... Vascular Enlargement ... Patterns #Lung #Pulmonary ... #ChestCT #radiology
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... The normal-sized ... heart and vascular ... #Clinical #Radiology ... #CXR #ChestXRay
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Redistribution In a normal ... The pulmonary vascular ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
consolidation is pulmonary ... Look for other signs ... may still have a normal ... #Diagnosis #Radiology ... #Pulmonary #CXR
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
ischemic changes CXR ... vascular congestion ... • Heart size: Normal ... ECHO: • Normal ... differential #diagnosis #cardiology
There are three principal varieties of pulmonary edema: cardiac, overhydration and increased capillary permeability (ARDS). 
The
principal varieties of pulmonary ... The vascular pedicle ... edema (6): - Normal ... #Clinical #Radiology ... #CXR #CHF #Vascular
Previous normal chest x-ray (left) and CHF stage II with perihilar haze (right). On the left
Previous normal ... diameter of the pulmonary ... #Clinical #Radiology ... #CXR #Lateral # ... CHF #Vascular #Engorgement
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
sign which consists ... the diagnosis of pulmonary ... In this case, pulmonary ... confirmed with chest CT ... #photo #CXR #EmergencyMedicine
Differentiation Syndrome in APML
Epidemiology:
 • Incidence: common in APL (2-48% depending on the study)
 • Triggers:
Cathepsin G release → vascular ... common • Imaging: CXR ... - pulmonary opacities ... sepsis), PE, DAH, CHF ... 500 mg QD until normal