16 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework ... Disease by CD4 ... angioinvasive disease ... • CT: Halo sign
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Diagnosis Algorithm ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT ... #Diagnosis #Algorithm
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Blood cultures • CXR ... ) • CXR upright ... CT Lung Abscess ... Abscess Differential
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
infections according to CT-scan ... galactomannan, HSV ... Patterns #Pulmonary #Lung ... ComputedTomography #Differential ... #Diagnosis #Chest
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Diagnosis Algorithm ... • Interstitial lung ... Malformation • Severe Pneumonia ... Abnormalities • Chest ... #Diagnosis #Algorithm
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... hematogenous spread of a disease ... rarely typical pneumonia ... #CXR #clinical ... #CT
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Infections in HIV-AIDS ... failure, COPD, Lung ... +/- High res CT ... chest scan), CBC ... Infectious Diseases
Hypoxemia / Hypoxia - Rapid Response Management Algorithm

Stridor - Upper airway pathology:
 • Anaphylaxis
 • Foreign
hemorrhage • Pus: pneumonia ... asthma • Pleural disease ... atelectasis • Lung ... Hypoxemia #Hypoxia #differential ... #Diagnosis #Management
Eosinophilia - Differential Diagnosis Algorithm
Idiopathic Eosinophilia
Primary Eosinophilia:
 • Primary hypereosinophilic syndrome
 • Eosinophilic Leukemia
 • MPN/MDS
Diagnosis Algorithm ... GI, lung, skin), ... Aspergillus), Viral (HIV ... , Eosinophilic pneumonia ... #Diagnosis #Algorithm
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... lymphocytic interstitial lung ... Chest CT: • Ground-glass ... community-acquired infections: Pneumonia ... Epstein-Barr syndrome, HIV