13 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Risks factor for HIV ... , HCV - Alcohol ... peripheral blood smear, HIV ... /HCV testing - ... #hematology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... Streptococcus pneumoniae ... • HCV, HBV Not ... #hematology #rheumatology ... #nonpalpable #dermatology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
- Atypical Clinical ... Etiology: Idiopathic, HSV ... : HZV (Ramsay-Hunt ... ), HIV, Lyme, GBS ... endemic area) ± HIV
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Unknown • 6-7 cases ... - Clinical manifestations ... - Diagnosis: ... legionella/strep, HIV ... Anti-dsDNA, ANCA COP DDX
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
to 8 years Clinical ... community-acquired infections: Pneumonia ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Syndrome: • Clinical ... • Infections: HCV ... infection, HBV ... infection, HIV infection ... classification #rheumatology
Aplastic Anemia - Overview

Who?
• M = F
• 3 peaks:	1) Childhood	2) 15-25 years	3) >60 years

What?
• Aplastic anemia
- CMV - HCV ... - HIV • Immune ... and thymoma DDX ... immunodeficiency virus (HIV ... Anemia #oncology #hematology
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
organ damage Clinical ... helmet cells DDX ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Cryofibrinogenemia Summary

Cryofibrinogenemia Epidemiology:
 • 40-70 years with a modest female predominance

Cryofibrinogenemia:
 • The precipitation of a
: • + Clinical ... cryoglobulins • Negative causes ... Cryofibrinogenemia DDX ... #rheumatology # ... hematology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Herpesviruses (MCC: HSV ... • Common clinical ... Streptococcus pneumoniae ... (< 50%) • S. pneumoniae ... #neurology #meningitis