Given below are the abnormal conditions related to blood circulation. Name the disorders
Acute chest pain due to failure of `O_(2)` supply to heart muscles
Increased systolic pressure

Explanation

Angina also called as 'angina pectoris'. It a symptom of acute chest pain that appears when there is no enough oxygen is reaching to the heart muscle. Angina can occur in men and women of any age but it is more common among the middle aged and elder people. It occurs due to condition that affect the blood flow (hypertension etc.) 
High Blood Pressure (hypertension) is the term for blood pressure that is higher than normal (120/80). In this measurement 120 mm Hg is the systolic. or pumping pressure and 80 mm Hg is the diastolic or resting pressure.
Increased systolic pressure. i.e., 140/80 or 150/80, shows hypertension. High blood pressure leads to heart diseases and also affects vital body organs like brain and kidney.