12 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest ... CT • Bronchoscopy
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... heart failure, COPD ... Evaluation: Imaging (CXR ... +/- High res CT ... #workup #diagnosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... - Differential Diagnosis ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #CT #Patterns #
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... parenchyma Diagnosis ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
adenocarcinoma in situ; COP ... interstitial pneumonia; OP ... hypersensitivity pneumonitis, infection ... #Diagnosis #Pulmonary ... #Differential #Algorithm
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
EGPA • ESR and CRP ... Other tests: • CT ... confirm DAH, r/o infection ... • Echocardiogram ... CT
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... - Chronic post-infection ... organizing pneumonia (OP ... proteinaceous material ... #Pulmonary #CXR
Possible Algorithm for Workup of Fever of Unknown Origin (FUO)
Tier 1 Workup:
 • CBC, comprehensive metabolic
SPEP, ANA, anti-CCP ... • CT chest ... Additional tests for infection ... Neuroimaging • Echocardiogram ... Origin #Workup #diagnosis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... necrosis (7-14 days later ... Blood cultures • CXR ... CT Lung Abscess ... Lung #Abscess #pulmonary
Malignant RV Mass on POCUS Echocardiogram (PLAX)
57yo M with chest pain.  Normal work up including
Mass on POCUS Echocardiogram ... PLAX) 57yo M with chest ... negative ECG, CXR ... Post-op course initially ... well, then 4mo later