Hep Labs (Exam #2) Flashcards Preview

Clin Med III Disease Key Notes > Hep Labs (Exam #2) > Flashcards

Flashcards in Hep Labs (Exam #2) Deck (19)
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1
Q

What lab is indicative of ACUTE Hepatitis A?

A

+IgM anti-HAV

2
Q

What does +IgM anti-HAV indicate?

A

ACUTE Hepatitis A

3
Q

What lab implies immunity for Hepatitis, and with what two types would this be seen?

A

+IgG anti-HAV

  • Hepatitis A
  • Hepatitis B
4
Q

What does +IgG anti-HAV indicate?

A

Immune to Hepatitis A

5
Q

What lab is indicative of active infection (acute/chronic) Hepatitis B? What other Viral Hepatitis might this be seen with?

A

+HBsAg

- May be seen with severe Hepatitis D

6
Q

What does +HBsAg indicate?

A

Active infection Hepatitis B

- Acute or chronic

7
Q

What lab is indicative of ACUTE Hepatitis B?

A

+IgM anti-HBc

8
Q

What lab is indicative of having immunity?

If this test is negative, what does this mean?

A

+anti-HBs = immunity from prior vaccine OR resolved infection

If -anti-HBc, immunity from prior vaccine (NEVER infected so not natural infection)

9
Q

If current/prior Hepatitis B infection is present, what two labs are BOTH positive?

A

+anti-HBs

+anti-HBc

10
Q

What does a +HBeAg indicate?

A

High viral load of Hepatitis B

11
Q

What lab is indicative of CHRONIC Hepatitis B?

A

+anti-HBs for 6+ months

12
Q

What two labs are indicative of active infection (acute/chronic) Hepatitis C?

A

+HCV Ab

+HCV RNA

13
Q

What does +HCV Ab and +HCV RNA indicate?

A

Active infection Hepatitis C

- Acute or chronic

14
Q

What two labs are indicative of resolved Hepatitis C?

A

+HCV Ab

-HCV RNA

15
Q

What does +HCV Ab and -HCV RNA indicate?

A

Resolved Hepatitis C

16
Q

What two labs are indicative of active infection (acute/chronic) Hepatitis D? What other lab may be positive with severe disease?

A

+HDV Ab
+HDV RNA

+HBsAg if severe

17
Q

What lab is indicative of active infection (acute/chronic) Hepatitis E?

A

+HEV RNA

18
Q

Which test is used as an index of infectivity/marker of replication for Hepatitis B?

A

HBeAg

19
Q

If you obtain results of +HCV Ab and -HCV RNA, what is recommended?

A

Resolved infection/recheck