Thursday, February 19, 2015

Study group discussion: Vitamin B12 deficiency

Causes for vitamin b12 deficiency?

Tapeworm
Inflammatory bowel disease
Methotrexate
Vegetarian diet

What about an autoimmune diseases causing b12 deficiency?

Pernicious anemia! Deficiency of intrinsic factor!

Which chronic infection causes vitamin B12 deficiency?

H pylori?

Tell me how!

It cause gastritis?

Yes. It causes atrophic gastritis.

What is triad for sub acute combined degeneration of spinal cord?

It has a classical triad:
Absent knee and ankle jerk - lmn
Extensor plantar -umn
Areflexia

It's called combined because a combination of various tracts ate involved.

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