11 results
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Late phase • DDx ... #differential # ... diagnosis #comparison ... table #appearance #hepatology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Computed Tomography (CT ... Delayed Phase DDx ... #radiology #differential ... #diagnosis #comparison ... table #appearance #hepatology
Appearance of Liver Lesions on Magnetic Resonance Imaging (MRI) - T2, T1 precontrast, T1 portal venous,
Resonance Imaging (MRI ... hepatobiliary phase DDx ... #radiology #differential ... #diagnosis #comparison ... table #appearance #hepatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... mountain spotted fever ... #Diagnosis #hematology ... #nonpalpable #dermatology
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... Immunocompromised Host - Differential ... • Bacteremia/Septic ... #Fever #Immunocompromised ... Algorithm #Causes #Hematology
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... • CT: Halo sign ... Hyponatremia • Elevated hepatic ... AIDS #pulmonary #differential
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
Non-Hodgkin's Lymphoma - Comparison ... e.g., HIV), EBV infection ... - Pel-Ebstein fever ... Etiology: - Infections ... #hematology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... • Symptoms: Fever ... • Symptoms: Fever ... Imaging: - MRI ... enhancement on CT
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Neutrophil (Normal) Differential ... tachycardia or fever ... hypotension or septic ... #Bandemia #differential ... neutrophil #WBC #CBC #hematology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
and branches • Fever ... affects the skin, neurologic ... Coronary arteries • Fever ... oligoclonal bands • MRI ... drug exposure or Dx