12 results
Cavitary Lung Disease - Differential Diagnosis and Workup Algorithm
Acute / Subacute:
 • Acute Infections: Lung abscess,
- Differential ... , Nocardia Chronic ... 12 weeks): • Chronic ... #lesion #pulmonary ... #differential
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... IgG • CNS PCR ... • 80% with lung ... #Brain #differential ... diagnosis #causes #radiology
Chronic Cough - Differential Diagnosis Algorithm
Red Flags:
 • Fever, night sweats, chills (infection)
 • Weight loss,
Chronic Cough - ... Differential Diagnosis ... Algorithm Red ... sweats, chills (infection ... refer + order CT
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
according to CT-scan ... immunofluorescence, PCR ... virus NODULAR LESIONS ... Patterns #Pulmonary #Lung ... #Differential #
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Imaging: - MRI ... parietal - Size lesions ... enhancement on CT ... #differential #
Right-Sided Heart Failure - Differential Diagnosis Algorithm
Cardiac Causes - Rule out Left-Sided Heart Failure (Most Common):
Heart Failure - Differential ... Diagnosis Algorithm ... Lung Infection ... #HeartFailure #Cardiology ... #Differential #
Algorithm for the Evaluation of Chronic Diarrhea (< 7 days)
Exclude:
1. Causes of acute diarrhea
2. Lactose intolerance
3.
Algorithm for the ... Parasitic infections ... imaging with barium, CT ... , or MR enterography ... workup #diagnosis #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... pneumonia • Chronic ... seen • Chest CT ... stable residual lesion ... Abscess Differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Abdominal pain, chronic ... #Infections #HIV
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
encounters due to NTM: Chronic ... lung infections ... Nodular or cavitary lesions ... Imaging, high res CT ... #differential #