Haematology practical 1 Flashcards
Basic tests investigations
- Full blood Count
- PTT
- PT
Coagulation cascade
Other names for factor 1 and 2
Vitamin K dependent factors
Factor:2,7,9 and 10
Case 1:
A well looking 5 year old girl,presents with 2 days only petechiae on her arm and in her mouth
Viral infection 3 weeks prior
No family history ,fever,lymphadenophathy,
Qs:
1,
2.
3.
Case 1: Differential diagnosis for petechiae in children
- Petechiae(<2mm,pinpoint)
Purpura(>2mm,pinhead)
Ecchimoses (Bruising)
- Immu e mediated thrombocytopenia purpura
- Meningococcus
- Aplastic anemia
- Leukemia
- HIV
6.HSP
Case 1: Screening blood tests
PT and PTT normal
FBC:
Diagnosis : Immune Mediated thrombocytopenia purpura
-Most common thrombocytopenia in children
- Age: 2-5 yrs
Boys and girls
-well child
Immune thrombocytopenia ranges
Case 2
Vitamin K deficiency of newborn
- pathophysiology
Natural Vit K is synthesized by the intestinal flora
Fat soluble
Requires bile for absorption
Not stored in body
Liver ….
Most common inherited bleeding disoder
Most common acquired bleeding disorder
Vitamin K dependent Factors
When a child is sick which other 2 screening tests do you include
Fibrinogen
D-dimers