Thrombosis and Embolism Flashcards Preview

Jamie Cardiovascular Pathology > Thrombosis and Embolism > Flashcards

Flashcards in Thrombosis and Embolism Deck (27):
1

What is the term for normal blood flow?

Laminar

2

What is the term for stagnant blood flow?

Stasis

3

What is the term for unpredictable forceful flow?

Turbulance

4

What are the 2 main causes for problems in blood flow?

Thromboembolism
Atheroma

5

What is Virchow's triad?

A group of 3 main factors that cause thrombosis

6

What are the 3 factors involved in Virchow's triad?

Changes in blood vessel wall
Changes in blood constituents
Changes in blood flow patern

7

What is thrombosis?

The formation of a solid mass formed from blood constituents within the vascular system

8

What is the main cause for changes in the blood vessel wall?

Atheroma

9

What is a common cause for changes in the blood flow constituents?

Hypercholesterolaemia

10

What are 3 common clinical conditions related to thrombosis?

DVT (deep venous thrombosis)
Ischemic limb
MI

11

What is recanalisation?

The process of restoring blood flow to normal

12

What can propogation (spreading) of thrombosis lead to?

An embolism

13

What is an embolism?

The movement of abnormal material in the blood stream and impact in a vessel

14

What is an embolus?

A detached intravascular mass

15

What are the 2 types of thromboembolus?

Arterial & venous

16

Where do venous thromboemboli originate from?

Lower limbs (deep venous thromboses)

17

Where do venous thromboemboli travel to>

The pulmonary arterial circulation

18

What are 3 consequences of pulmonary thromboemboli?

Pulmonary infarction
Pulmonary hypertension
Right ventricular failure

19

What are 2 social risk factors for DVT and pulmonary thromboembolism?

Increased age
Obesity

20

When do fat emboli appear?

After major fractures

21

What 3 organs can fat emboli affect?

Brain
Kidneys
Skin

22

What is decompression sickness?

When N2 formed from rapid decompression lodge in the capi;;aroes

23

What are 2 causes of air emboli?

Head and neck wounds
Surgery

24

What type of emboli could be found in a pregnant woman's lungs?

Trophoblasts

25

What type of embolus is infective endocarditis related to?

Septic material

26

What type of embolus can be caused by childbirth?

Amniotic fluid

27

What embolus can be found after bone fractures?

Bone marrow