Hemostasis

Question 1

How do we control low pressure bleeding from small vessels?

Answer 1

Applying pressure

Question 2

Pressure as a form of hemostasis relies on?

Answer 2

Pressure long enough to form an effective clot

Question 3

Is pressure a permanent fix on larger vessels?

Answer 3

No temporary

Question 4

How do hemostatic forceps stop hemorrhage

Answer 4

Crushes vessels arresting hemorrhage and damaging vessel wall activating clotting factors

Question 5

How do you orient the hemostats to clamp off small and large vessels?

Answer 5

Small point the tip towards the vessel

Large apply with convex surface facing end of the vessel

Question 6

Are vascular clips and ligatures secure?

Answer 6

The most secure

Question 7

What is the major disadvantage of clips and ligatures

Answer 7

foreign material being left int he body

Question 8

2 advantages and one disadvantage to vascular clips

Answer 8

Rapid placement
good for poorly accessible locations

More likely to be dislodged during manipulation

Question 9

Big strengths ligatures have

Answer 9

Multiple vessels and pedicles

increased security on even the largest of vessels

Question 10

Big disadvantage of ligatures

Answer 10

Awkward and time consuming

Question 11

If you are worried about slippage you should use what ligature?

Answer 11

Transfixation

Question 12

Knot security decreases as suture size _______

Answer 12

increases

Question 13

Cautery works well for arteries and veins of what size?

Answer 13

Arteries 1mm

veins 2mm

Question 14

3 types of cautery

Answer 14

monopolar
bipolar
ligasure

Question 15

Describe monopolar cautery use

Answer 15

Coagulates and cuts
apply directly to vessel or indirectly onto forceps
only use on dry tissue
only contact at point of coagulation to avoid tissue damage

Question 16

bipolar cautery requires?

Answer 16

electrolyte fluid to conduct

Question 17

Does bipolar or monopolar use more current

Answer 17

monopolarI

Question 18

Improper use of cautery leads to?

Answer 18

Hemorrhage
burns
dalayed healing

Question 19

Ligasure is a?

Answer 19

Bipolar vessel sealing device, adjusts its own current to seal vessels

Question 20

Ligasure can be use don vessels how large?

Answer 20

7mm in diameer

Question 21

2 good examples of places topical hemostatic agents can be used?

Answer 21

Cancellous bone oozing

liver biopsy hemorrhage

Question 22

Before using topical hemostatic agents need to be sure that the wound is?

Answer 22

Very clean, the foam persists for years.