14 results
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... infections according to CT-scan ... %3D #CT #Patterns ... #Pulmonary #Lung ... ComputedTomography #Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... • CT: Halo sign ... 100% of cases), anemia ... Infections #HIV #AIDS #pulmonary ... #differential #
Causes of Dyspnea - Differential Diagnosis Algorithm
Cardiac:
 • Dysrhythmia
 • Ischemia
 • Cardiomyopathy
 • Valvular disease
Causes of Dyspnea - Differential ... Diagnosis Algorithm ... Parenchyma: • Pneumonia ... • Interstitial lung ... • Anxiety • Anemia
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Pleural Effusion - Differential ... Diagnosis Algorithm ... Pneumonectomy • Trapped lung ... Infectious: • Pneumonia ... • Asbestos • Uremia
Batwing
A bilateral perihilar distribution of consolidation is also called a Batwing distribution.
The sparing of the periphery
periphery of the lung ... most typical of pulmonary ... it is seen in pneumonias ... #Diagnosis #Radiology ... #CXR #Batwing #Differential
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... rarely typical pneumonia ... diagnosis #pulmonary ... #CXR #clinical ... #CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... Leukocytosis, anemia ... seen • Chest CT ... #Abscess #pulmonary ... #differential #
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
fracture heals, the callus ... Sometimes a CT is ... necessary to differentiate ... fracture from a lung ... #Clinical #Radiology
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
count < 4,000 cells ... radiograph or CT ... aeruginosa Clinical ... in adults with clinically ... Management #treatment #Pulmonary
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Bone Marrow - Anemia ... Disease: Clinical ... Disease: • Clinical ... Imaging, high res CT ... NTM #Infections #differential