14 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Diagnosis Algorithm ... Malformation Normal CXR ... /CT • Hematemesis ... Bronchitis Diffuse CT ... Vasculitis Infection
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Diagnosis of Miliary ... Opacities: • Infectious ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... Diagnosis for Pulmonary ... allopurinol), Infection ... , anti-CCP • CXR ... resolution chest CT
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 ... #workup #diagnosis ... #evaluation #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Other tests: • CT ... confirm DAH, r/o infection ... seen on chest CT ... Renal #Syndromes #differential ... #treatment
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
parenchyma Diagnosis ... high-resolution chest CT ... mycobacteria Treatment ... #differential # ... diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Blood cultures • CXR ... seen • Chest CT ... Lung #Abscess #pulmonary ... #differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Antimicrobial treatment ... is generally required ... enhancement on CT ... #differential #
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Complex (MAC): • Acquired ... Diagnosis Of NTM ... Imaging, high res CT ... Exclusion of other diagnosis ... #differential #
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Community Acquired ... Pneumonia (CAP) - Diagnosis ... radiograph or CT ... Yield of blood CX ... #Pulmonary #Community