885 results
HACEK is the acronym commonly used to describe and help doctors to remember a group of
which can also cause ... endocarditis is caused ... endocarditis is caused ... Streptococcus sp ... Streptococcus sp
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
on Chest CT • SPN ... mueormycosis, GPA ... sarcoidosis, mets to the lung ... Halo #Sign #CT #Lung
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... polyangiitis (GPA ... polyangiitis (MPA ... Malformation #Lung ... Diagnosis #Algorithm #Causes
ILD of Known Cause - Differential Diagnosis
Exposure:
 • Occupational: Asbestosis, Silicosis, Hypersensitivity, Pneumonitis
 • Treatment Related:
ILD of Known Cause ... with Vasculitis: GPA ... BrighamChiefs #ILD #Causes ... #interstitial #lung
Causes of CSF Lymphocytic Pleocytosis - Differential Diagnosis
Viral: Arbo, Adeno, Herpes, Entero, HIV
Fungal: Cryptococcus, Cocci, Histo,
Causes of CSF Lymphocytic ... M.pneumonia, Rickettsia spp ... Anaplasma spp, ... Leptomeningeal, Lymphoma, GPA ... Differential #Diagnosis #Causes
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... ANCA (C-ANCA): GPA ... >>> MPA > eGPA ... P-ANCA): eGPA, MPA ... >>> GPA Stanford
Hypoxemic Respiratory Failure - Differential Diagnosis Framework
DECREASED INSPIRED OXYGEN
 • Low PATM Can decrease first part
PATM 760 mm Hg at sea ... gas equation • Causes ... : Interstitial lung ... ventilation (V) in the lungs ... bypassing the lungs
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
spondyloarthropathies (SPA ... ) • Other Causes ... common bacterial causes ... ., Salmonella spp ... Mycobacterial Causes
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Malignancy: Primary lung ... ANCA-Assoc vasculitis (GPA ... > EGPA, MPA), Cryoglobulinemia ... Postprocedural, Lung ... Diagnosis #pulmonary #causes
Lung Segment Anatomy Annotated on Chest CT
Right Lung:
 • Upper Lobe: Apical, Posterior, Anterior
 • Middle
Lung Segment Anatomy ... Chest CT Right Lung ... Lung: • Upper ... radiopaedia.org/cases ... lang=us #Lung #