34 results
Rapidly Growing Mycobacterial Infections

 • Mycobacterium abscessus - Is the most pathogenic and the most likely
Mycobacterium abscessus ... pulmonary infection ... with underlying lung ... Mycobacterium #diagnosis ... #differential #infectiousdiseases
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Diagnosis ... polymicrobial infection ... Lung abscess ... Abscess Diagnosis ... #Abscess #pulmonary
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
mnemonic for the causes ... of a cavitating lung ... embolus I = infection ... - pulmonary abscess ... bronchogenic cyst #Diagnosis
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Causes of Pleural ... Pneumonectomy • Trapped lung ... Urinothorax Exudate - Infectious ... • Subphrenic abscess ... • Postcardiac injury
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential Diagnosis ... Traumatic brain injury ... • Infectious: ... Encephalitis, Brain Abscess
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
- Differential Diagnosis ... Parenchyma: • Infection ... westermani, PNA, Lung ... abscess, Aspergillosis ... #pulmonary #causes
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... Diagnosis Of NTM ... Exclusion of other diagnosis ... #differential #diagnosis ... #infectiousdiseases
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
- Differential Diagnosis ... ETIOLOGIES: Infectious ... inhalation • Tracheal injury ... #differential #diagnosis ... #causes #pulmonary
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... toxo IgG • CNS PCR ... lesions • 80% with lung ... Syphilis • Pyogenic Abscess ... #causes #radiology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Leg Pain: • Infection ... entrapment • Infections ... Trauma • Crush injury ... lower #extremity #msk