heart and great vessels - INCOMPLETE

Question 1

what is the more common variation in coronary arteries

Answer 1

right dominant coronary artery; posterior interventricular branch arises from right coronary artery; marginal; circumflex

Question 2

what is the less common variation in coronary arteries

Answer 2

left dominant coronary artery; posterior interventricular branch arises from left coronary artery

Question 3

what is a myocardial infarction

Answer 3

blood issue causing ischaemia

Question 4

what is a cardiac arrest

Answer 4

not due to ischaemic - electrical

Question 5

coronary veins

Answer 5

follow arteries, drain into coronary sinus (IVC of heart - bringing back deoxygenated blood from heart)

Question 6

when are coronary arteries perfused with blood

Answer 6

systole - valves shut so blood forced into coronary arteries also

Question 7

when is blood pushed around coronary arteries

Answer 7

diastole - valves open and force blood through arteries