Quiz 4 - DVT & Treatment

Question 1

When we fill our lungs with air, what happens with thorax pressure, abdo pressure and venous return from lower limbs?

Answer 1

Inspiration
Decreases thorax pressure
Increases abdo pressure
Decreases venous return from lower limbs

Question 2

DVT risk factors

7

Answer 2

• Blood disorders
• Age
• Cancer
• Surgery/trauma
• Immobilization
• Pregnancy
• Oral contraceptive

Question 3

A non-invasive way to monitor the percentage of hemoglobin that is saturated with oxygen is

Answer 3

Pulse oximetry

Question 4

What is the most common cause of upper extremity DVT

Answer 4

VAD placement

Question 5

What does d-dimer assay measure?

Answer 5

Fibrin degradation products that accumulate in the blood when thrombus forms

Question 6

Lack of phasic flow in the CFV would indicate an obstruction at which level

Answer 6

CIV

Question 7

All patients with DVT are given anticoagulants, initially an injectable heparin for a brief period, followed by longer term treatment with an oral drug (eg. warfarin) started within 24 to 48 hours.

Answer 7

True

Question 8

Is the venous hemodynamics system high or low pressure

Answer 8

Low

Question 9

The most common site of the upper extremity veins for VAD (venous access device) placement is:

Answer 9

Right internal jugular vein