Complement Deficiency Flashcards

1
Q

What clinical features will you see with deficiencies affecting C1-C4?

A

Recurrent sinopulmonary infections due to ENCAPSULATED bacteria

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2
Q

What clinical features will you see with deficiencies affecting C5-C9?

A

Recurrent Neisseria infections

Increased risk of meningitis

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3
Q

How are most complement deficiencies inherited?

A

Autosomal Recessive

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4
Q

How do you screen for complement deficiencies?

A

CH50 assay.

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5
Q

How do you treat complement deficiencies inherited?

A

NO therapy!

But kids can receive ALL vaccines

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6
Q

What are the encapsulated organisms?

A

Step pneumoniae
Hemophilus influenza (type B)
Niesseria meningitis
E. Coli

Salmonella typhii
Klebsiella pneumoniae
Steptococcus (GBS)

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