33 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... toxo IgG • CNS PCR ... Infectious: ... Syphilis • Pyogenic Abscess ... #Brain #differential
Hemoptysis - Differential Diagnosis Framework
Airways: 
 • Bronchitis
 • Bronchiectasis
 • Malignancy: Primary bronchogenic CA, Endobronchial
Hemoptysis - Differential ... Diagnosis Framework ... Fistulas • Dieulafoy lesion ... Parenchyma: • Infection ... westermani, PNA, Lung abscess
Hepatomegaly - Differential Diagnosis Algorithm
Malignant
 • Primary Carcinoma
 • Metastases
 • Lymphoma
 • Leukemia
 • Polycythemia
Diagnosis Algorithm ... • Budd-Chiari Syndrome ... Pericarditis Infectious ... Cholangitis • Abscess ... #Causes #Hepatology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Diagnosis Algorithm ... vasoconstriction syndrome ... brain injury • Infectious ... Encephalitis, Brain Abscess ... Neurocysticercosis, PML
Liver infections and imaging findings
 - Pyogenic Liver Abscess
 - Amebic Abscess
 - Cholangitic Microabscesses
- Amebic Abscess ... nodular liver lesions ... imaging #radiology #Differential ... #Ddx #Diagnosis ... #Microbiology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... tuberculomas, or abscesses ... #differential # ... diagnosis #AIDS
Causes of Pleural Effusion - Differential Diagnosis Algorithm
Transudate - Hydrostatic
 • Congestive heart failure
 • Constrictive
Pleural Effusion - Differential ... Diagnosis Algorithm ... Urinothorax Exudate - Infectious ... • Subphrenic abscess ... #Algorithm #Hepatology
Hemolysis - Differential Diagnosis Framework

1) Environment
  - Fragmentation
  - MAHA: TTP, HUS, DIC, HELLP
Diagnosis Framework ... Drug-associated, PCH ... , Evans Syndrome ... Internal (RBC) - Infections ... #Diagnosis #hematology
Causes of Intestinal Obstruction - Differential Diagnosis
Lesions Extrinsic to the Intestinal Wall:
 • Adhesions: Postoperative, Congenital,
Obstruction - Differential ... Diagnosis Lesions ... Intra-abdominal abscess ... mesenteric artery syndrome ... Eosinophilic granuloma • Infections
Microbial Etiology of Acute Pharyngitis - IDSA
Bacterial
 • Group A streptococcus - Pharyngotonsillitis, scarlet fever
 •
necrophorum - Lemierre’s syndrome ... peritonsillar abscess ... Pharyngitis #IDSA #diagnosis ... #differential # ... causes #bacteria #microbiology