10 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
abscess, Necrotizing ... Pneumonia, Septic Emboli ... Chronic Infections: TB ... #Algorithm #lesion ... #pulmonary #differential
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
embolus I = infection ... - pulmonary abscess ... (TB, fungal, staph ... bronchogenic cyst #Diagnosis ... Mnemonic #Cavitary #Lesions
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Diagnosis Algorithm ... Granuloma • Abscess ... Metastases ("cannonball lesions ... Tuberculosis • Septic Embolism ... #Pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... pain, hemoptysis, dyspnea ... Abscess Diagnosis ... stable residual lesion ... #Abscess #pulmonary
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
verrucous) • Lung ... Heart Failure • Dyspnea ... Cerebral > Splenic, pulmonary ... • Janeway lesions ... or destructive lesion
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
fibrotic lesions ... cancer • Septic emboli ... • Lung abscess ... hemoptysis • Dyspnea ... #Diagnosis #Management
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
fibrotic lesions ... cancer • Septic emboli ... • Lung abscess ... hemoptysis • Dyspnea ... #Diagnosis #Management
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential Diagnosis ... , verrucous) - Lung ... heart failure • Dyspnea ... Cerebral > Splenic, Pulmonary ... • Janeway lesions
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Frequent Differential Diagnoses ... Medical History ... without genital lesions ... embolism, malaria ... • Cough, dyspnea
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary lesions ... Kansasii: • Mimics TB ... Weakness, • Dyspnea ... Diagnosis Of NTM ... #differential #diagnosis