CVS-Case study

1-Case study of chest pain:
A 65 yr.old man, who was heavy smoker, obese and diabetic, recently developed attacks of chest pain with exertion. The pain was central , burning in nature and radiated to the left arm, last for few minutes and relieved by rest.
O.E/ pulse rate 90 beat/min, B.P 110/80mmHg.Nicotine stain over his index and middle finger.
1-What is the name of blood vessel that supply the cardiac muscle?
2-What is the functional anatomy of the heart?
3-What is the cause of IHD?
4-What do we mean by MI?
5-What do you think the diagnosis of this case
6-Write short notes about

2-Case study of Hypertension:
50 yr-old man, presented to emergency unit with sever headache ,nausea and vomiting .Family history :his father had stroke as a complication of H.T.
O.E: pulse rate 90beat/min, B.P 180/110mmHg.
1-what we mean by blood pressure, what is the normal range of it?
2-What is the equation that demonstrate factors affecting B.P?
3-What are the mechanism of regulation of blood pressure?
4-What is the name of artery that is used for measuring B.P by :a-auscultatory method b-palpatory method.
5-what are the two type of H.T?
6-If this case not complain of any other disease, what do you think the type of his H.T? does family history support your suggestion