13 results
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... immunofluorescence, PCR ... #Lung #Infections ... ComputedTomography #Differential ... #Diagnosis #Chest
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... irregular and often nodular ... identified in the lung ... Pathophys #Radiology #Pulmonary ... #CTChest #TreeInBud
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... failure, COPD, Lung ... • CD4 < 200: Pulmonary ... /- High res CT chest ... diagnosis #evaluation #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
level seen • Chest ... Clindamycin in case of PCN ... Abscess Differential ... #Abscess #pulmonary ... #differential #
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
or interstitial lung ... bronchiolitis, PCP ... Diagnosis #Radiology #Pulmonary ... #CTChest #GGO # ... #GroundGlass #Differential
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... were shown the whole ... in fact this is nodular ... interstitial lung
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... patterns: reticular, nodular ... is interstitial lung ... Diagnosis #Radiology #Pulmonary
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... consolidation or nodular ... Pneumonia: • PVL ... Infections #HIV #AIDS #pulmonary ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... infections • Nodular ... complicate MAC pulmonary ... • Dyspnea, • Chest ... NTM #Infections #differential
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... ACEi/ARBs - Hold ... days before Pulmonary ... change CV risk Chest ... unless prior heart/lung