Ischcaemia and Infarction

Question 1

Ischaemia

Answer 1

relative lack of blood supply to the tissue/organ leading to inadequate oxygen supply to meet the needs of the tissue

Question 2

Anaemic

Answer 2

normal inspired oxygen but blood oxygen is abnormal

Question 3

Factors effecting oxygen supply

Answer 3

inspired oxygen

pulmonary function

blood constituents

blood flow

integrate of vasculature

tissue mechanisms

Question 4

risk factors for ischaemic heart disease

Answer 4

coronary artery atheroma

cardiac failure (flow)

anaemia

Question 5

ulcerated/ fissured plaques can lead to thrombosis which then leads to

Answer 5

ischaemia/ infarction

Question 6

clinical consequences of ischaemia

Answer 6

MI

cerebral infarction

aortic aneurysm

peripheral vascular disease

cardiac failure

Question 7

aetiology of infarction is the

Answer 7

cessation of blood flow

Question 8

examples of aetiology of infarction

Answer 8

thrombosis

embolism

trauma

Question 9

acute infarcts are classified as to whether there is an

Answer 9

elevation of the ST segments on the ECG