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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... four patterns: ... low attenuation (table ... The cystic pattern ... #Pulmonary #CXR
Capnography
Measurement of exhaled carbon dioxide can be used to confirm ETT placement, for safer procedural sedation,
monitor cardiac & pulmonary ... Specific capnograph patterns ... #Capnography #interpretation ... #waveforms #patterns ... #diagnosis #pulmonary
Beginner's Guide to End-Tital Capnography
4 Phases of the Capnoqram
I - Inspiration and expiration Of dead space
II
Raise test #Diagnosis ... #EndTidalCO2 #ETCO2 ... Capnography #Capnogram #Patterns ... #Waveform #Interpretation ... #pulmonary
Basics of Waveform Capnography
Waveform capnography assesses ventilation by monitoring exhaled carbon dioxide
Can use measurement and morphology
zero WAVEFORM PATTERNS ... surface - Pattern ... #Capnography #interpretation ... #patterns #diagnosis ... #pulmonary
Figure 3 HRCT-LUS correlation in normal lung, pulmonary congestion, rheumatoid lung disease, idiopathic pulmonary fibrosis.
Notes: (A)
Figure 3 HRCT-LUS ... artifact); (G) UIP pattern ... #Clinical #Diagnosis ... #HRCT #POCUS #Lung ... #Correlation #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... have specific patterns ... realise, that these patterns ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
of HRCT involves ... the dominant HR-pattern ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
RB-ILD with subtle HRCT-findings ... The dominant pattern ... broad differential diagnosis ... mandatory for the interpretion ... of the HRCT.
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
cells results in a pattern ... (Table). ... in interstitial pulmonary ... #Diagnosis #Radiology ... #Pulmonary #HRCT