METHODS OF HEMOSTASIS

Question 1

The clotting mechanism is only effective with smaller blood vessels. When larger vessels are affected, other means are necessary to stop the bleeding like …

Answer 1

1. Hemostatic instruments
2. Ligature
3. Pressure
4. Electrocoagulation
5. Bone wax
6. Tourniquet
7. Pledgets
8. Pharmacologic agents

Question 2

1. Hemostatic instruments

Answer 2

– clamps used to temporarily stop the bleeding

Question 3

2. Ligature

Answer 3

– used to close the opening in the blood vessel, clamp is removed after ligature is tied

Question 4

3. Pressure

Answer 4

• applied to the site of bleeding until a clot forms

Question 5

4. Electrocoagulation

Answer 5

– electric current applied to site of bleeding

Question 6

5. Bone wax

Answer 6

– placed on bleeding bone to stop the flow of blood

Bone wax is used to control
bleeding in procedures that
involve cutting through
bones, such as thoracic,
neurosurgical, orthopedic,
oral and maxillofacial
surgeries.

Question 7

6. Tourniquet

Answer 7

– used to stop blood flow in an extremity

Question 8

7. Pledgets

Answer 8

– small sponge on a string

Question 9

8. Pharmacologic agents

Answer 9

– coagulants & hemostatic drugs