If you or someone you're with feels as though he/she is having a heart attack, call for professional medical help immediately. Symptoms of a heart attack include: Discomfort, pressure, heaviness, or pain in the chest, arm or below the breastbone, Rapid or irregular heartbeats, Difficulty breathing, Nausea, vomiting, Dizziness, weakness.

Herbal Remedies
Ginger (Zingiber officinale) has a tonic effect on the heart, lowers cholesterol and inhibits blood platelet collection. Ayurvedic physicians suggest that eating a little bit of ginger every day will help to prevent heart attack.

Arjuna (Terminalia arjuna) Arjuna is a coronary vasodilator. It protects the heart, strengthens circulation, and helps to maintain the tone and health of the heart muscle. It is also useful in stopping bleeding and to promote healing after a heart attack. Current scientific research has proved that T.arjuna contains specific medically active constituents namely triterpine glycosides like arjunetosides I, II, III, IV, arjunine and arjunetein. Bark of Arjuna tree has been found to be rich in Co-enzyme Q-10 which is highly prescribed in cardiology departments now a days to prevent heart problems

While you're waiting for help to arrive, squeeze the end of the pinky finger on the left hand. Squeeze it HARD! Keep squeezing it. This acupressure procedure has been said to save lives. Have the person having a heart attack take an aspirin and a magnesium capsule. A cup of peppermint tea a day is said to help prevent a heart attack.

Prevention
The best way to prevent coronary artery disease is to control high blood pressure, Diabetes or a high cholesterol level and, if you smoke, to stop smoking. Maintaining a healthy diet, a healthy weight and a regular exercise program can help you avoid coronary artery disease.