Quiz on TTP Diagnosis • The Blood Project

Click for Answer

Low ADAMTS13 activity level

True or false: It is safe to wait 3-4 days for the ADAMTS13 level returns before starting treatment for TTP.

a

True

b

False

Which statement(s) is (are) correct?

a

Immune (acquired) TTP is associated with low ADAMTS13 activity level and presence of anti-ADAMTS13 antibodies

b

Immune (acquired) TTP is associated with normal ADAMTS13 activity level and presence of anti-ADAMTS13 antibodies

c

Congenital TTP is associated with low ADAMTS13 activity level and presence of anti-ADAMTS13 antibodies

d

Congenital TTP is associated with low ADAMTS13 activity level and absence of anti-ADAMTS13 antibodies

Click for Answer

Click for Answer

Click for Answer

Seven

Which of the following counts as a point in the PLASMIC score:

a

Elevated MCV

Low MCV, because red cell fragments are smaller than normal RBCs.

b

Elevated creatinine (>2.0 mg/dL)

Normal creatinine! Elevated creatinine points more towards HUS.

c

INR >1.5

Normal INR! Elevated INR points towards DIC.

d

Platelet count < 50 x 10^9/L

Platelet count < 30 x 10^9/L

e

No active cancer in last year