12 results
How to Evaluate an Abnormal APTT
Step 1: Is the PT or APTT Artifactually Prolonged?
Step 2: Is
Anticoagulants (Vitamin ... Prolonging the PT or APTT ... to identify the cause ... #prolonged #diagnosis ... #hematology #evaluation
Differential Diagnosis for a Prolonged PT and aPTT
If the PT and the aPTT are both prolonged,
Differential Diagnosis ... the PT and the aPTT ... ) • Severe vitamin ... #diagnosis #differential ... #hematology #coagulation
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Causes of Abnormal ... Early vitamin K ... Severe vitamin K ... #diagnosis #differential ... #hematology #coagulation
Hemophilia - Diagnosis and Management
Diagnosis:
 • Consistent bleeding history (unless screening for disease in family members
and Management ... established disease) • aPTT ... mixing study (aPTT ... normal in mild cases ... #hematology
Summary of Coagulation Deficiencies
Inherited:
 • Hemophilia A - Deficiency of Factor VIII
 • Hemophilia B -
Acquired: • Vitamin ... Deficiencies #Summary #table ... #comparison #diagnosis ... #hematology #deficiency
Disseminated Intravascular Coagulation (DIC) Overview

Increased Clotting and Consumption of Clotting Factors

Findings:
 • Bleeding
 • Recent history
Treat primary cause ... INR < 2.3 - APTT ... #Coagulation #diagnosis ... #causes #treatment ... #management #hematology
Thrombocytopenia and Pregnancy
Three syndromes in the critically ill pregnant woman who presents with coagulation defects.
1) HELLP
child * Severe cases ... Obstetrics #OBGyn #Hematology ... #Diagnosis #Comparison ... #Table
Thrombocytopenia and Pregnancy - TTP/HUS, HELLP Syndrome and Acute Fatty Liver of Pregnancy (AFLP)
Three syndromes in
child * Severe cases ... AFLP #obstetrics #hematology ... #diagnosis #table ... #comparison
Bleeding and Bruising - Disorders of Hemostasis - Differential Diagnosis Framework

== Quantitative or Qualitative defect in
- Differential Diagnosis ... prolonged after Vitamin ... discern these causes ... #Differential #Diagnosis ... #Hematology
TRALI vs TACO - Transfusion Reactions
TRALI:
 • Epidemiology: 0.1% of transfused patientsl
 • Risk factors: Critical
without other cause ... Transfusion #Reactions #hematology ... #diagnosis #comparison ... #table