60 results
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Prior platelet count ... practices that could cause ... decreased PLT count ... or if a primary hematologic ... #Workup #hematology
Causes of Thrombocytopenia.
Platelet counts may be depressed because of decreased production or due to increased platelet
Causes of Thrombocytopenia ... Platelet counts ... #Diagnosis #Hematology ... #Differential #Causes
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
Decreased CD4 ... counts and a raised ... CD4+/CD8+ ratio ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
4-T Score for the Likelihood of Heparin Induced Thrombocytopenia
 - Thrombocytopenia - Compare the highest platelet
count
highest platelet count ... of declining counts ... Other potential cause ... Likelihood #Diagnosis #Hematology
Thrombocytosis - Differential Diagnosis
Platelet Count > 450
Reactive:
 • Anemia/blood loss (Fe deficiency)
 • Infection/Sepsis
 • Non-infectious
Diagnosis Platelet Count ... Differential #Diagnosis #causes ... #Platelets #hematology
Important causes of diarrhea in people with HIV/AIDS
Severity, chronicity/persistence will depend On CD4 count & sites
Important causes ... will depend On CD4 ... count & sites of ... Differential #Diagnosis #Causes
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
occur when the CD4 ... -cell count is less ... present in 15% of cases ... -cell count more ... Demyelinating disease caused
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
Idiopathic CD4 Lymphopenia ... • Persistent CD4 ... T-cell count of ... ICL #diagnosis #hematology ... #Differential #Causes
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
) • Platelet count ... — GP Ilb/llla (CD41 ... normal platelet count ... Platelet #disorders #hematology
Basophilia - Differential Diagnosis Framework

Basophils < 1% of the total white blood cell count
Basophils function similarly
white blood cell count ... Chickenpox Other Causes ... Differential #Diagnosis #causes ... #hematology #basophils