51 results
Causes of Splenomegaly - Differential Diagnosis Algorithm
Infectious
 • Bacterial
 • Viral (EBV)
 • Parasitic
 • Fungal
Congestive
- Differential ... Diagnosis Algorithm ... Viral (EBV) • Parasitic ... #Diagnosis #Algorithm ... #Causes #Hematology
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture ... Diagnosis Framework ... antibiotics as a cause ... Autoimmune: Crohn's disease ... #Diagnosis #InfectiousDiseases
Causes of Thrombocytosis - Differential Diagnosis Algorithm
Spurious:
 • Artifact (redo CBC)
Autonomous:
 • Essential thrombocytosis
 • Polycythemia
- Differential ... Diagnosis Algorithm ... Artifact (redo CBC ... disorders • Celiac disease ... #Causes #Hematology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... Chorioretinitis • Diagnosis ... • Nocardia • Parasitic ... Lesions #Brain #differential ... #diagnosis #causes
Causes of Anemia with elevated Mean Corpuscular Volume (MCV) - Differential Diagnosis Algorithm
Normal Blood Smear
 •
Causes of Anemia ... Volume (MCV) - Differential ... Diagnosis Algorithm ... • Parasites ... #Causes #Hematology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Platelet Disorders - Differential ... Diagnosis and Workup ... decreased PLT count: CBC ... #Diagnosis #Causes ... #Workup #hematology
Portal Hypertension - Differential Diagnosis
Portal Pressure = the pressure difference between the pressure in the portal
Hypertension - Differential ... Diagnosis Portal ... >10 mmHg - clinically ... Veno-occlusive disease ... #Diagnosis #causes
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
→Activation of CD8 ... accumulation of clinical ... Assessment • Clinical ... salmonella, ...), Parasites ... treatment #summary #rheumatology
Infectious Causes of Adrenal Insufficiency
Anatomical distribution of vessels to the adrenal makes the gland prone to
disseminated microbial disease ... Pneumocystis Jiroveci • Parasites ... Insufficiency #AI #differential ... #diagnosis #endocrinology ... #infectiousdiseases
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... auricular papules Clinical ... severity of the disease ... Dermatomyositis #rheumatology ... #dermatology #diagnosis