21 results
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... yersinia/rats, Q fever ... vascular abnormalities ... /PE, CHF) - Drug ... #differential
Chest Pain - Differential Diagnosis Framework

Cardiovascular Causes of Chest Pain:
 • Myocardium:
	- Myocarditis
	- CAD/ACS
	- Valvulopathy
	- Myopericarditis
Myopericarditis • Vascular ... - Tamponade Pulmonary ... • Alveoli: - CHF ... - Pneumonia ... Diagnosis #Causes #Cardiology
Based on the images alone, it is usually not possible to determine the cause of the
and other non-pulmonary ... Lobar pneumonia ... Pulmonary hemorrhage ... Organizing pneumonia ... #Radiology #CXR
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
) Day 2 - some pulmonary ... normal-sized heart and vascular ... structures help in the differential ... #Clinical #Radiology ... #CXR #ChestXRay
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea - Differential ... Diagnosis Pulmonary ... Pleural effusion, Pneumonia ... decompensated CHF ... poisoning, DKA, Fever
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
The pulmonary vascular ... In daily clinical ... during a period of CHF ... #Clinical #Radiology ... #CXR #CHF #Cephalization
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... edema • BNP level ... ischemic changes CXR ... vascular congestion ... #diagnosis #cardiology
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
inhalational injury Differential ... rarely typical pneumonia ... #differential # ... diagnosis #pulmonary ... #CXR #clinical
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 ... initiation • Differential ... sepsis), PE, DAH, CHF
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Blood cultures • CXR ... early disease) • CXR ... Lung #Abscess #pulmonary ... #differential #