142 results
Miliary Tuberculosis 
Hematogenous dissemination of Mycobacterium tuberculosis 
Clinical: 
 • Failure to thrive 
 • Fever
tuberculosis Clinical ... to thrive • Fever ... Tuberculosis #TB #Pulmonary ... #InfectiousDiseases ... #Diagnosis
Lung Abscess
Microbiology:
 • Polymicrobial 
 • Anaerobes (most common) 
Clinical: 
 • Indolent symptoms that evolve
to rnonths • Fever ... , hemoptysis Treatment ... Lung #Abscess #Diagnosis ... #Pulmonary #Clinical ... #CXR #ChestXRay
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... Hypertension on Chest CT ... midline at the level ... @PulmPEEPs #Pulmonary ... #cardiology #diagnosis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Cough, Dyspnea, Fever ... Differential Diagnosis ... , anti-CCP • CXR ... resolution chest CT ... #differential #diagnosis
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Sign on Chest CT ... • Distinct pulmonary ... #Vessel #Sign #CT ... #diagnosis #radiology ... #clinical
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... infiltrate (e.g., CXR ... , CT, ultrasound ... Inflammation (e.g., fever ... #Pulmonolary
Cavitary Lesion with Air-Fluid Level on Chest XRay

70+ year old man with PMH of latent TB
with Air-Fluid Level ... latent TB s/p treatment ... Labeled CXR: ... #ChestXRay #Clinical ... #Pulmonary #Radiology
On the left a patient who had a CT to rule out pulmonary embolism.
There is a
patient who had a CT ... to rule out pulmonary ... The diagnosis based ... on this CT was ... #Clinical #Radiology
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Sign on Chest CT ... #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Pulmonary Tuberculosis - Patterns of Involvement
 • Scarring, Nodules and Consolidation
    - Lobar
Pulmonary Tuberculosis ... - Air-fluid level ... Pal @drdevrad #Pulmonary ... #chest #xray #clinical ... #radiology #CXR