10 results
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... identified, Strep pneumoniae ... heart failure, COPD ... Evaluation: Imaging (CXR ... +/- High res CT
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
diffuse inhalational injury ... rarely typical pneumonia ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... • Pleuritic CP ... • CT: Halo sign ... Microsporidium #Lung #Infections ... #HIV #AIDS #pulmonary
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
bronchial wall injury ... obstruction • COPD ... Nasal polyps and signs ... Physical stigmata of cor ... high-resolution chest CT
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
and Management ... Pneumonia Signs ... radiograph or CT ... Yield of blood CX ... #Pulmonary #Community
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
inflammatory lung injury ... leading to increased pulmonary ... be detected on CT ... or CXR ● PaO2/ ... oxygenation in pneumonia
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... Blood cultures • CXR ... early disease) • CXR ... seen • Chest CT ... Lung #Abscess #pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
quantify renal injury ... Other tests: • CT ... confirm DAH, r/o infection ... seen on chest CT ... differential #diagnosis #management
Amiodarone Induced Lung Toxicity Summary

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

How?  Possible
cytotoxic lung injury ... failure - Infectious ... pneumonia ... LDH • ↑ ESR, CRP ... #diagnosis #management
Severe Influenza Checklist

Diagnostic tests 
 - Blood cultures x2 
 - Sputum gram stain & culture
effusion - CT ... opportunistic infection ... COPD/asthma or adrenal ... lab-confirmed influenza, pulmonary ... Influenza #Checklist #Management