Congenital Haematological Conditions Flashcards
What is Hereditary Spherocytosis?
This a cell membrane disorder causing proton abnormalities and spherical red cells leading to their early apoptosis
What 5 structural proteins are affected in HS?
Ankyrin Alpha spectrin Beta spectrin Band 3 Protein 4.2
What genetic inheritance does HS show?
Autosomal dominance
What are the features of HS?
Anaemia
Neonatal jaundice
Splenomegaly
Pigment gallstones
What does the blood film show in HS?
Spherocytes
What is the management of HS?
Transfusion and splenectomy
What is G6PD deficiency?
Body doesn’t have enough of the enzyme glucose-6-phosphate dehydrogenase so there is RBC metabolism disorder?
What is G6PD the most common cause of?
Enzymopathy in ward
What is G6PD genetic inheritance?
X-linked
What are the clinical feats of G6PD
Neonatal jaundice Trigger facilitated jaundice and anaemia Intravascular haemolysis Splenomegaly Pigment gallstones
What are the triggers for G6PD clinical features?
Infection
Acute illness
Dugs ie anti-malarial
What does the G6PD blood film show?
Blister and bite cells
How are you treating G6PD?
Treat the haemolytic anaemia and avoid the triggers
What is pyruvate Kinase deficiency?
This is a red cell metabolism disorder where those is decreased ATP and increased 2,3 DPG with rigid cells
How does the child present with PKD?
Anaemia
Jaundice
Gallstones