23 results
Algorithm for Investigation of Abnormal Coagulation Tests
- Prolonged PT
- Prolonged aPTT and Prolonged PT
- Prolonged aPTT

Dr.
Investigation of Abnormal ... PT - Prolonged aPTT ... #Coagulation #Abnormal ... #Hematology #Diagnosis ... #Workup
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
to Evaluate an Abnormal ... to identify the cause ... of Prolonged APTT ... ISNeducation #Abnormal ... #diagnosis #hematology
Causes of Prolonged PT (INR), Prolonged PTT
 • Prolonged PT (INR), Prolonged PTT
 • Prolonged PT
Prolonged PT (INR), Normal ... PTT, Normal PT ... , Normal PT (INR ... #Differential #Diagnosis ... #Hematology #coagulation
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
PT/NORMAL PTT: ... PT/ABNORMAL PTT ... PT/NORMAL PTT: ... PT/ABNORMAL PTT ... #Hematology
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... the PT and the aPTT ... amyloidosis #Abnormal ... #Causes #diagnosis ... #differential #hematology
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Pre-analytical cause ... Jcortesizaguirr #Abnormal ... #Causes #diagnosis ... #differential #hematology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
CRP - Usually normal ... Discontinuation of causal ... - CRP: Usually normal ... #sle #comparison ... #diagnosis #management
Systemic Lupus Erythematosus (SLE) - Diagnosis and Management Summary
 • Epidemiology: 10-180/100,000, Typically Age 20-40, F:M
(SLE) - Diagnosis ... - CRP: Usually normal ... • Immunologic Workup ... Positive in 60-80% of cases ... Erythematosus #Diagnosis
Myelodysplastic Syndrome (MD) - Diagnosis and Management Summary
myelo (marrow) -dys- (abnormal) -plastic (shape) = funny-shaped cells
Syndrome (MD) - Diagnosis ... marrow) -dys- (abnormal ... old, ~10,000 new cases ... Management #treatment #hematology ... #oncology
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
mixing study (aPTT ... may be normal in ... mild cases) • ... antigen (vWF:Ag) are normal ... Management #treatment #hematology