16 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Differential Diagnosis ... Causes: Mucormycosis ... Causes: Granulomatosis ... Dermatomyositis, Lung ... , Pulmonary embolism
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
identified, Strep pneumoniae ... CD4 > 200: Pulm embolism ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis
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
Causes of Pleural ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... : • Pneumonia ... • Pulmonary embolism
Pulmonary Pathology and Associated Lung Ultrasound Findings
Pneumothorax:
 - No lung sliding/barcode sign
 - Lung point (hard
point (hard to ... pleura reflection) Pneumonia ... pleura in severe cases ... sliding Pulmonary Embolism ... #differential #diagnosis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
is required for diagnosis ... 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 ... Acute Eosinophilic Pneumonia ... , CNS, skin • Infectious ... #differential #diagnosis ... #comparison #table
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
- Differential Diagnosis ... Streptococcus pneumoniae ... Temporomandibular joint ... subdural hematoma, lung ... #differential #diagnosis
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 ... #causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
Haverhill fever caused ... cancers, including lung ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology