12 results
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
lesions • Malnutrition ... disease • DM DDX ... • HIV: 2/3 pulmonary ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
embolus I = infection ... bronchogenic cyst #Diagnosis ... #Cavitary #Lesions ... #Differential # ... Lung #Pulmonary
Tuberculosis Overview

10 million new M. tuberculosis infections/year
Facultative intracellular rod-shaped bacteria
Multidrug-resistant tuberculosis (MDR-TB) accounts for 4.6% of
lesions • Malnutrition ... disease • DM DDX ... • HIV: 2/3 pulmonary ... Tuberculosis Diagnosis ... Tuberculosis #TB #Diagnosis
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
galactomannan, HSV ... virus NODULAR LESIONS ... #Lung #Infections ... ComputedTomography #Differential ... #Diagnosis #Chest
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Nodular or cavitary lesions ... mucogenicum • HIV ... Advanced HIV (CD4 ... Diagnosis Of NTM ... #differential #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... Diagnosis Framework ... #Infections #HIV ... #AIDS #pulmonary
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... stable residual lesion ... #Abscess #pulmonary ... #differential #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Infectious: • Pre-existing ... verrucous) • Lung ... Cerebral > Splenic, pulmonary ... • Janeway lesions ... Marantic (NTBE) Differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Diagnosis Framework ... Vasculitis Differential ... Diagnosis: • Systemic ... drug exposure or Dx
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
- Overview and Differential ... , verrucous) - Lung ... Cerebral > Splenic, Pulmonary ... Glomerulonephritis DDX ... #Endocarditis #Differential