14 results
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
- HIV infection ... due to lung disease ... disease Interstitial ... lung disease Other ... #Diagnosis #Differential
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Diagnosis Framework ... • Bacterial endocarditis ... #Diagnosis #hematology ... #rheumatology #
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
in 24h Airway disease ... Parenchyma: • Infection ... Goodpasture's, SLE ... #Diagnosis #pulmonary ... #causes
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Interstitial lung ... , SLEPulmonary ... Vasculitis (e.g. ... #joint #pain #differential ... #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... to exclude are infections ... differential #diagnosis ... #rheumatology # ... classification
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
ON CT? ... Obstruction 6) Rheumatologic ... /Autoimmune diseae ... Bronchiectasis #pulmonary ... #diagnosis #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... grp IV): Pulmonary ... Imaging, high res CT ... #differential # ... diagnosis #infectiousdiseases
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... • Autoimmune (SLE ... Cerebral > Splenic, pulmonary ... Marantic (NTBE) Differential ... • Vasculitis
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... seen • Chest CT ... Vasculitis (e.g. ... #Abscess #pulmonary
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... , such as SLE, atherosclerotic ... #Differential #Diagnosis ... #Rheumatology