18 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Reversed Halo Sign ... Differential Diagnosis ... Causes: Mucormycosis ... Dermatomyositis, Lung ... , Pulmonary embolism
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
- Lung point ... pleura reflection) Pneumonia ... sliding Pulmonary Embolism ... #pulmonary #differential ... #diagnosis #signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... • CT: Halo sign ... factor • May cause
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
CD4 > 200: Pulm embolism ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis ... #evaluation #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... • Most common cause ... Blood cultures • CXR ... early disease) • CXR
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Effusion - Differential ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... : • Pneumonia ... • Pulmonary embolism
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Differential Bilat ... interstitial diffuse infections ... partially seen shred sign ... NOT definitively diagnose
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... in up to 30% of cases ... large infarct - Infectious ... #Endocarditis #comparison ... #table
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
to Eosinophilic Lung ... , CNS, skin • Infectious ... Diseases #pulmonary #differential ... #diagnosis #comparison ... #table #eosinophilia
Differential Diagnosis for Concurrent Brain and Lung Infections
 • Bacteria: Strep anginosus, Staph aureus, Klebsiella pneumoniae
Differential Diagnosis ... Concurrent Brain and Lung ... aureus, Klebsiella pneumoniae ... Fusobacterium), Embolic ... Diagnosis #causes