10 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 ... #differential #diagnosis ... #signs #Lung #POCUS
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • CT: Halo sign ... factor • May cause ... #AIDS #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... CD4 > 200: Pulm embolism ... failure, COPD, Lung ... Evaluation: Imaging (CXR ... HIVAIDS #workup #diagnosis
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... Pulmonary edema, ARDS ... interstitial diffuse infections ... partially seen shred sign ... NOT definitively diagnose
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
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
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... periphery of the lung ... hump along may aid ... in the diagnosis ... #photo #CXR #EmergencyMedicine
Amiodarone Induced Lung Toxicity Summary

Who?
• 5% of patients
• Dose ≥ 400 mg per day

How?  Possible
Amiodarone Induced Lung ... Direct cytotoxic lung ... , ARDS, DAH, solitary ... failure - Infectious ... - Pulmonary embolism
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... papules and Gottron sign ... ) • Shawl sign ... of aspiration pneumonia ... statins - probably caused