Dr. Gerald Diaz @GeraldMD
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Board Certified Internal Medicine Hospitalist, GrepMed Editor in Chief πŸ‡΅πŸ‡­ πŸ‡ΊπŸ‡Έ - Sign up for an account to like, bookmark and upload images to contribute to our community platform. Follow us on IG: https://www.instagram.com/grepmed/ | Twitter: https://twitter.com/grepmeded/
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Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
disease comes from HRCT ... On HRCT there are ... low attenuation (table ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table ... Central #Peripheral #RadiologyAssistant
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
Non specific interstitial ... Clinical #Radiology #HRCT ... Pattern #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table ... #Upper #Lower #RadiologyAssistant
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... listed in the table ... morphologic findings on HRCT ... Diagnosis #Radiology #Pulmonary ... ILD #Findings #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Thickening of the interstitium ... resolution of the HRCT ... the alveoli) or interstitial ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Shock - Differential Diagnosis by Classification

Hypovolemic (Intravascular volume depletion)
 - Hemorrhagic 
   β€’ Trauma
Differential Diagnosis by Classification ... flow) - Massive pulmonary ... Differential #Diagnosis #Classification ... #Table #CriticalCare
Shock Classification and Differential Diagnosis
SHOCK
 β€’ MAP <65, SBP <90, drop in SBP > 40
 β€’
Shock Classification ... Failure, Toxins/Medications ... , CVP > 12 β€’ Pulmonary ... Sophia_Hayes_MD #Shock #Classification ... Diagnosis #Types #criticalcare
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
bronchovascular interstitium ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... Differential #Algorithm #RadiologyAssistant
Septal thickening
Thickening of the lung interstitium by fluid, fibrous tissue, or infiltration by cells results in
differential diagnosis (Table ... pulmonary edema ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #RadiologyAssistant