40 results
Causes of Nail Clubbing - Mnemonic 
Cyanotic Heart Disease, Cystic Fibrosis
Lung Cancer, Lung abscess 
Ulcerative Colitis
Causes of Nail Clubbing ... Cyanotic Heart Disease ... Cystic Fibrosis Lung ... Cancer, Lung abscess ... Mesothelioma Infective Endocarditis
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Dyspnea (underlying lung ... disease or CHF) ... refer + order CT ... disease #Chronic ... Diagnosis #Algorithm #causes
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Congenital heart disease ... verrucous) • Lung ... , Pancreas, Gastric ... Septic Emboli Cause ... Treat underlying cause
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... head and neck, pancreas ... biliary, renal, lung ... concentration PET-CT ... IgG4 #Related #Disease
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
Systemic Diseases ... (most common: lung ... (most common: lung ... , Aneurysm • Pancreas ... Differential #Diagnosis #causes
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... • Periodontal disease ... seen • Chest CT ... Clindamycin in case ... #differential #causes
Bilateral B-Lines in case of Pneumonia on Lung POCUS

Young healthy pt with fever/dyspnea. POCUS lung exam
Bilateral B-Lines in case ... POCUS lung exam ... disease, interstitial ... Lung POCUS shows ... Lung POCUS invaluable
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Peripheral Vascular Disease ... Infective Endocarditis ... e.g. fractured long ... Syndrome, Infective Endocarditis ... #Orthopedics #Causes
Fever Patterns - Differential Diagnosis Framework

Continuous Fever:
Temp > 38°C with only 1 degree fluctuation in 24
Acute bacterial endocarditis ... • Infective endocarditis ... • Gonococcal endocarditis ... Non-Infectious Causes ... Brucellosis • Liver or lung
Bronchiectasis - Permanent dilation of an airway
WHAT CAN YOU SEE ON CT?
1) Lack of tapering of
CAN YOU SEE ON CT ... segment or lobe of lung ... involving both lungs ... WHAT ARE COMMON CAUSES ... Rheumatologic/Autoimmune diseae