Causes of Vit B12 Macrocytic anaemia Flashcards
Familiarize yourself with the Jazz
1
Q
What are the Dietary intake causes of Vitamin B12 deficiency?
A
Veganism
2
Q
What are the causes of Stomach impaired absorption?
A
Pernicious Anaemia
Congenital deficiency of Intrinsic Factor
Gastrectomy
3
Q
What are the causes of Small bowel impaired absorption?
A
Ileal disease or resection
Bacterial overgrowth
Tropical Sprue
Fish Tapeworm (Diphyllobothrium latum)
4
Q
What are the causes of abnormal utilization of Vitamin B12?
A
Congenital Transcobalamin II deficiency Nitrous Oxide (Inactivates B12)