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CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... arthritis (rheumatoid ... bronchogenic cyst #Diagnosis ... #Differential #Lung
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
- Differential Diagnosis ... westermani, PNA, Lung ... Aspergillosis • Rheumatic ... #Differential #Diagnosis ... #pulmonary #causes
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Systemic sclerosis, Rheumatoid ... • Idiopathic pulmonary ... Diseases #ILD #diagnosis ... #causes
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Diagnosis Algorithm ... Inflammation: • Rheumatoid ... #Differential #Diagnosis ... #Algorithm #Causes ... #Pulmonary
Causes of Interstitial Lung Disease - Differential Diagnosis Algorithm
Idiopathic Interstitial Pneumonia
 • (UIP) Usual Interstitial Pneumonia
Causes of Interstitial ... Differential Diagnosis ... leaking out of pulmonary ... Tissue Disease - Rheumatoid ... Diseases #ILD #Causes
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
indicates unknown cause ... sclerodermia, rheumatoid ... patients with rheumatoid ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Rheumatoid arthritis (RA): Extra-articular manifestations
Skin: 
 • Inflammation of skin (esp. over areas of stress) forms
Rheumatoid arthritis ... under skin -> Rheumatoid ... inflammation tends to cause ... disease/pulmonary ... signs #symptoms #diagnosis
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Cerebral > Splenic, pulmonary ... Septic Emboli Cause ... : • Rheumatic valvular ... Treat underlying cause
Approach to a Positive (+) Rheumatoid Factor (RF)
(+) RF does not always = RA
Rheumatic disorders:
 •
a Positive (+) Rheumatoid ... not always = RA Rheumatic ... disorders: • Rheumatoid ... disorders of Liver & Lung ... #differential #diagnosis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
- Differential Diagnosis ... Pseudogout • Early Rheumatic ... • Reactive • Rheumatic ... #Differential #Diagnosis ... #Orthopedics #Causes