19 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC ... #workup #diagnosis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
- Differential Diagnosis ... Malformation Normal CXR ... /CT • Hematemesis ... Abnormalities • CHF ... Vasculitis Infection
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... Radiology • Miliary ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
sweats, chills (infection ... lung disease or CHF ... lymadenopathy, clubbing, chest ... ) • Abnormal CXR ... refer + order CT
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... anti-GBM ab, ANA, C3, C4 ... , anti-CCP • CXR ... high resolution chest ... CT • Bronchoscopy
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... HiRes #HighRes #Chest ... #CT #Patterns # ... #pulmonary #radiology
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
may aid in the diagnosis ... of pulmonary embolism ... confirmed with chest ... CT angiography. ... #photo #CXR #EmergencyMedicine
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... parenchyma Diagnosis ... high-resolution chest ... CT) • Broncho-arterial ... #differential #diagnosis
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Growers (Runyon Classification ... massiliense in CF ... Advanced HIV (CD4 ... • Dyspnea, • Chest ... Imaging, high res CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... - Differential Diagnosis ... • CT: Halo sign ... #HIV #AIDS #pulmonary ... #differential #diagnosis