Lab Manual 2- Factors for selection of arteries, techniques Flashcards Preview

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Flashcards in Lab Manual 2- Factors for selection of arteries, techniques Deck (43)
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1

- Age
- Sex
- Weight
- Fat distribution
- Disfiguration
- Disease
- Edema, anasarca
- Location obstruction (congestion)
- Trauma
- Medico-legal requirements
- Cause of death
- Manner of death

Other factors governing selection of arteries to be used for injection

2

- Infant: Descending abdominal aorta, femoral, topically.
- Adult: Varies

Age

3

Females- if low cut shirt, not the carotid

Sex

4

May be a problem with raising the femoral.

Fat Distribution

5

- Arthritis
- Tumors
- Cachexia (wasting syndome)

Disfiguration

6

Abnormal accumulation of fluids in tissue or body cavities.

Edema

7

Severe generalized edema.

Anasarca

8

A.S.C.V.D. - Arteriosclerosis cardio vascular disease

Local Obstruction (congestion)

9

A physical injury or wound caused by external force or violence.
- Mutilation
- Accident
- Surgery

Trauma

10

- Autopsy protocol
- Medical Examiner/ coroner

Medico-Legal Requirements

11

- Hospital
- Medical Examiner

Types of Autopsies

12

- Needs signed permission.
- Concerned with cause of death.

Hospital Autopsy

13

- Does not need permission.
- Concerned with manner of death.
- Concerned with cause of death.

Medical Examiner Autopsy

14

- Medical Doctor
- Investigates death

Medical Examiner

15

- Makes a report to the Medical Examiner.
- Holds official inquests

Coroner

16

- Anoxia
- Cancer, etc

Cause of Death

17

- Natural
- Suicide
- Homicide
- Accidental

Manner of Death

18

1. Shave area- if necessary
2. Select instruments and prepare ligature
3. Locate place of incision using linear guide
4. Make proper incision though skin, superficial fascia and deep fascia.
5. Blunt dissection though superficial fascia, fat, and deep fascia.
6. Find vessels by use of anatomical guide and relative position of the vein.
7. Clean off by blunt dissection and ligate vein loosely.
8. Clean off and ligate artery loosely.
9. Make an incision in vessels.

Proper technique for Raising Vessels

19

Preparation room item used with suturing needles to suture cuts and incisions.

Ligature

20

The separation and pushing aside of the superficial fascia leading to blood vessels and then the deep fascia surrounding blood vessels, utilizing manual techniques or round ended instruments which separate rather than cut the protective tissues.

Blunt dissection

21

To tie off an artery and vein upon completion of embalming.

Ligate

22

Lying at right angles to the long axis of the body.

Transverse vessel incision

23

A vascular incision made on vessels by cutting in an oblique or slanting direction.

Diagonal vessel incision

24

A vascular incision that is made length-wise on a vessel.

Longitudinal vessel incision

25

A vascular incision created by making a short transverse incision at a right angle to the long axis of the vessel; then with the point of the scissors inserted into the original opening, a second incision is made parallel to the long axis of the vessel.

T-shaped vessel incision

26

A vascular incision which is made by cutting a small triangular wedge from the wall of a vessel.

Triangular (wedge) vessel incision

27

- Triangular (wedge) incision
- T-shaped incision

Allows us to better be able to insert the cannula

28

- Avoid the use of veins which require the abrupt turning of a curve by the drain tube, as the rupturing of the vein may result.
- Be sure the tube is well lubricated to insure easy insertion and prevent the rupture of the vessel wall. Oiling the inside of the drain tube will help prevent blood coagulation within the tube.
- Always use the largest tube the vein will accommodate. This insures the most copious flow of both liquid blood and clots.

Precautions during insertion of the drain tube

29

The process of converting soluble protein into insoluble protein by heating or contact with a chemical such as an alcohol or an aldehyde. The solidification of a solution into a gelatinous mass. This is a specific form of agglutination.

Coagulation

30

1. The vessels are tightly ligated and the free ends of the ligatures are cut off with utility scissors.
2. The incision is dried with cotton.
3. The incision is cauterized
4. The incision is dried with cotton again
5. Powder incision sealer is used to inhibit subsequent leakage.
6. The incision is sutured with stitches

Closing the Incision

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