266 results
The PA-film shows a silhouette sign of the left heart border.
Even without looking at the lateral
anteriorly in the left lung ... consolidation due to a pneumonia ... Sterptococcus pneumoniae ... Radiology #CXR #Pneumonia ... SilhouetteSign #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... macrophages in HIV • Lung ... : • Upper lung ... cough, myalgia • Lung ... Microsporidium #Lung
Chlamydia trachomatis - Infection of the Newborn
 • Newborns 3-16 weeks old 
 • Afebrile (appears
several weeks) • Tachypnea ... topical) • Pneumonia ... cervicitis, newbom pneumonia ... Chlamydophila pneumoniae ... (mild pneumonia
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... lobar or segmental pneumonia ... weight loss or long ... an acute lobar pneumonia ... #RadiologyAssistant
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
Pathogens in Pneumonia ... pathogens causing pneumonia ... smoking. structural lung ... Burkholderia — structural lung ... MAC (structural lung
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
Interstitial Lung ... pneumonitis, Farmer's lung ... Bird fanciers' lung ... (coal workers' lung ... #Interstitial #Lung
Causes of Acute Pediatric Cough - Differential Diagnosis Algorithm
No Fever, No Tachypnea
 - Normal Chest Auscultation
No Fever, No Tachypnea ... Fever, Tachypnea ... • Bacterial pneumonia ... Atypical or viral pneumonia
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... is interstitial pneumonia ... PCP Mycoplasma pneumonia ... #Interstitial #Pneumonia ... #PJP #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of organizing pneumonia ... of interstitial lung ... peripheries and lower lung ... Diagnosis: • Lung ... TBNA or Surgical lung
Tachypnea - Differential Diagnosis Framework

Definitions
 • Tachypnea: Respiratory rate > 20/min, shallow breathing in adults
 •
Tachypnea - Differential ... Definitions • Tachypnea ... Pulmonary Causes of Tachypnea ... Asthma • COPD • Pneumonia ... Cardiac Causes of Tachypnea