Deep Vein Thrombosis

Question 1

What is a thrombus?

Answer 1

Clot composed of platelets and fibrin.

Question 2

Thrombophlebitis

Answer 2

Presence of a thrombus within a vein accompanied by inflammation.

Question 3

What is the reported incidence of DVT

Answer 3

5.9 %

Question 4

What is the chance of DVT recurrence in the following 1- years?

Answer 4

1/3 will have a recurrent DVT within 10 years.

Question 5

Name Virchows triad

Answer 5

Hypercoaguability: Factor V leiden, antithrombin III, proteins C and S deficiency, Tobacco use, pregnancy.

Endothelial vascular damage

Stasis

Question 6

After how many days of bed rest is a person at risk for stasis?

Answer 6

More than 3 days of bed rest.

Question 7

At which operating room time does a person become at risk for DVT?

Answer 7

Operating time greater than 105 minutes.

Question 8

At which tourniquet time does a person become at risk for DVT?

Answer 8

Tourniquet time >90 minutes.

Question 9

At what age limit does a patient become greater in risk of DVT?

Answer 9

40 years of age.