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Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... on a chest x-ray ... Consolidation - Lobar ... consolidation - Diffuse ... Consolidation #Patterns
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... there are four patterns ... lung disease and ... pattern can be ... seen and in many cases
Whenever you see an area of increased density within the lung, it must be the result
of these four patterns ... substances resulting in lobar ... , diffuse or multifocal ... opacities. 2- Interstitial ... Consolidation #Patterns
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
is a histologic pattern ... On a chest X-ray ... as a reticular pattern ... at the lung bases ... This pattern was
COVID-19 on Lung POCUS

1&4: Diffuse B Line pattern with skipped segments and alveolar shred / small
POCUS 1&4: Diffuse ... B Line pattern ... Lichtenstein’s Light Beam pattern ... you) And 3 is normal ... lines - verging on interstitial
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
including restrictive lung ... disease, pleuritic chest ... may show this pattern ... Breathing In lung ... #Breathing #Patterns
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Fever Patterns - ... 103-104°F) • Lobar ... Typhus Inversus Pattern ... usual diurnal pattern ... Lymphomas #Fever #Patterns
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... malignancy and other interstitial ... Unknown • 6-7 cases ... consolidation and GG pattern ... Pulmonary lymphoma, Diffuse
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
and dyspnea • Lobar ... Exam: Can be normal ... factor • May cause ... fever, rales, interstitial ... infiltrates or lobar
Algorithm for Diagnosis of Diffuse Cystic Lung Disease (DCLD)
Round, smooth cysts with normal lung parenchyma in
Algorithm for Diagnosis ... smooth cysts with normal ... lung parenchyma ... LCDD, SS Cyst pattern ... DCLD #pulmonary #Algorithm