2. More than half the deaths in the US are caused by heart disease. Some common causes of heart disease are:  Age  High blood pressure  Family history  Obesity  Physical inactivity  Smoking  Drinking Alcohol

3.  When blood vessels get narrowed due to the deposit of fatty substances it is called atherosclerosis.  The fatty substance that lines blood vessels is known as Cholesterol

4.  The atherosclerosis shown will cause high blood pressure in arteries and can also cause a heart attack if the clogged blood vessel leads to the heart.

5.  New technology (ultrasound) helps doctors to detect many cardiovascular conditions: 1. High blood pressure: (Hypertension): can be treated by changes in lifestyle, diet and exercise. Also medication is sometimes prescribed. 2. Heart disease: Doctors can now use robotics to enter the heart and repair heart valves.

6.  Defibrillator: A devise used to send and electrical shock to the heart and reset the hearts rhythm.  Angioplasty: a technology used to open blocked arteries. A catheter with a balloon attached to it is inserted into a blocked artery. The balloon is inflated opening the blocked artery. Angioplasty Defibrillator