5. Cardiovascular Disease - Myocardial Infarction (heart attack) Flashcards
1
Q
How does the heart muscle get blood?
A
From coronary arteries.
2
Q
The blood which the coronary arteries carries contains what?
A
Oxygen/nutrients needed by the heart muscle cells to carry respiration.
3
Q
What happens if the coronary arteries become blocked?
A
(eg by a blood clot)
The area of the heart muscle will be totally cut off from receiving a blood supply - receiving no oxygen.
Causing a myocardial infarction.
4
Q
How is a heart attack bad?
A
Damages and death of heart muscle.
5
Q
Symptoms.
A
Chest pain and upper body.
Shortness of breath.
Sweating.
Heart failure can occur if large areas are affected - fatal.
