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Gastrointestinal > Gastrits > Flashcards

Gastrits Flashcards

1
Q

What are the 3 different type of Gastritis?

A

Autoimmune gastritis
Bacterial gastritis
Chemical gastritis

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2
Q

What is autoimmune gastritis due to?

A

Autoantibodies to parietal cells and intrinsic factor

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3
Q

What does autoimmune gastritis cause?

A

Atrophy of specialised acid secreting gastric epithelium

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4
Q

What does autoimmune gastritis result in?

A

Decreased acid secretion

Loss of intrinsic factor

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5
Q

What does a loss of intrinsic factor lead to?

A

Vitamin B12 deficiency

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6
Q

What does a vitamin B12 deficiency result in?

A

Pernicious anaemia

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7
Q

What is the commonest type of gastritis?

A

Bacterial gastritis

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8
Q

What is bacterial gastritis due to?

A

H. Pylori

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9
Q

Where is H. Pylori found?

A

Found in gastric mucus on surface of gastric epithelium

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10
Q

What does H. Pylori cause?

A

Increase acid production

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11
Q

What are the 3 causes of chemical gastritis?

A

Drugs: NSAID’s
Alcohol
Bile reflux

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Gastrointestinal (65 decks)

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