13 results
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... Cystic Fibrosis Lung ... Cancer, Lung abscess ... Ulcerative Colitis Bronchiectasis ... Nails #Mnemonic #Differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... Lung abscess ... seen • Chest CT ... Abscess Differential ... #differential #
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Bronchitis • Bronchiectasis ... westermani, PNA, Lung ... abscess, Aspergillosis ... syndrome • Valvular Disease ... Diagnosis #pulmonary #causes
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Back Pain - Differential ... Systemic Diseases ... (most common: lung ... , Aneurysm • Pancreas ... #Diagnosis #causes
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
Bronchiectasis - ... CAN YOU SEE ON CT ... Rheumatologic/Autoimmune diseae ... pulmonary #diagnosis #differential ... #causes
Hemoptysis - Differential Diagnosis Framework
Massive Hemoptysis: >150-300 mL in 24h
Airway disease: 
 • Bronchitis, Bronchiectasis, Malignancy
Hemoptysis - Differential ... in 24h Airway disease ... • Bronchitis, Bronchiectasis ... Necrotizing PNA, Abscess ... Diagnosis #pulmonary #causes
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Chronic inflammation causes ... Most Common Causes ... high-resolution chest CT ... mycobacteria Treatment ... #pulmonary #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Centrilobular nodules - Bronchiectasis ... - M. abscessus ... Imaging, high res CT ... NTM #Infections #differential
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... , Pancreas, Gastric ... Septic Emboli Cause ... Marantic (NTBE) Differential ... Treat underlying cause
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... , Pancreas, Gastric ... hematuria, + RF Treatment ... Treat underlying cause