20 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
lesions • 80% with lung ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes ... #radiology #neurology
CNS Manifestations of Systemic Lupus Erythematosus (SLE)

Clinical Manifestations: Demyelinating Syndrome, Headache, Movement disorders, Seizure disorders, Aseptic
CNS Manifestations ... Cerebrovascular Disease ... autoantibodies that will cause ... thrombosis and/or blood-brain ... cerebritis #diagnosis #management
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Chronic lung ... • Infectious diarrhea ... DDX - Other causes ... hypogammaglobulinemia #immunology #hematology ... #diagnosis #management
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
Differentials? ... acidosis: - Diarrhea ... acidosis: - CNS ... or restrictive lung ... disease (COPD,
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
in HIV - Differential ... Diagnosis Framework Disease ... angioinvasive disease ... Lymphadenopathy, CNS ... pain, chronic diarrhea
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
status NTM Cause ... infections Lungs ... Hematologic malignancy ... liver enzymes, diarrhea ... NTM #Infections #differential
Causes of Fever in the Immunocompromised Host - Differential Diagnosis Algorithm
Structural Defect - Asplenia/HypospIenism
 • Bacteremia/Septic
Causes of Fever ... jirovecii • CNS ... • Periodontal Disease ... Bronchitis • Chronic Diarrhea ... #Hematology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Algorithm Vascular Causes ... CA, small cell lung ... , RBC, kidney, brain ... injury #hepatitis #differential
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Causes include: ... acute cardiac disease ... Transfusion-related acute lung ... edema (Traumatic brain ... #diagnosis #cardiology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
early localized disease ... to have a "wood-grain ... cancers, including lung ... comparison #table #differential ... #diagnosis #dermatology