Cardiac Function Tests

Question 1

Causes of cardiac ischaemia

Answer 1

1. decrease in aortic pressure or RV pressure
2. reduced vessel diameter (blockage)
3. reduced perfusion time
4. increased metabolic demands (fever, sepsis)

Question 2

define ischaemia

Answer 2

reduced blood supply to tissues

Question 3

define stable angina

Answer 3

occurs during times of increased oxygen requirement (exercise or stress)
stops after resting

Question 4

define unstable angina

Answer 4

chest pain caused by cardiac ischaemia (reduced blood flow to the heart muscle)
no resting helps and there’s a higher risk of progressing to a heart attack

Question 5

how is unstable angina treated

Question 6

define end-stage heart failure

Answer 6

irreversible heart damage where the cardiac muscle has lost most function. oxygen and nutrient deprivation and severe symptoms such as extreme fatigue and loss of mobility develop

Question 7

what could cause Non-Cardiac Chest Pain?

Answer 7

Stomach acid moving retrograde into the esophaguses

Question 8

Atherosclerosis

Answer 8

plaque build up on the inner
arterial walls

Question 9

symptoms of angina

Answer 9

Squeezing of the chest
Heavy chest pressure
Burning feeling
Difficulty breathing

Question 10

Tests for patients with chest pain

Answer 10

-physical examination
-An electrocardiograph ECG
- a chest X-ray
- detection of biomarkers