Heart Attack and Atherosclerosis Prevention (cont.)
Daniel Lee Kulick, MD, FACC, FSCAI
Dr. Kulick received his undergraduate and medical degrees from the University of Southern California, School of Medicine. He performed his residency in internal medicine at the Harbor-University of California Los Angeles Medical Center and a fellowship in the section of cardiology at the Los Angeles County-University of Southern California Medical Center. He is board certified in Internal Medicine and Cardiology.
Dennis Lee, MD
Dr. Lee was born in Shanghai, China, and received his college and medical training in the United States. He is fluent in English and three Chinese dialects. He graduated with chemistry departmental honors from Harvey Mudd College. He was appointed president of AOA society at UCLA School of Medicine. He underwent internal medicine residency and gastroenterology fellowship training at Cedars Sinai Medical Center.
William C. Shiel Jr., MD, FACP, FACR
Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.
In this Article
- What is atherosclerosis?
- What are coronary heart diseases (CHD)?
- What is angina pectoris?
- What is a heart attack?
- Ventricular fibrillation
- Heart failure
- What is cerebral vascular disease?
- Ischemic stroke
- Hemorrhagic stroke
- Transient ischemic attack (TIA)
- When does the coronary atherosclerosis process begin?
- Have most people done enough to prevent atherosclerosis and heart attacks?
- What are the risk factors for coronary atherosclerosis and heart disease?
- How can coronary atherosclerosis and heart attacks be prevented?
- Find a local Cardiologist in your town
A heart attack can trigger the sudden onset of ventricular fibrillation. Ventricular fibrillation is a chaotic electrical rhythm of the heart that causes cardiac arrest (the heart stands still and ceases to pump blood). Ventricular fibrillation causes permanent brain damage and death unless a normal heartbeat can be restored within five minutes of its onset. Of the one million Americans who suffer heart attacks annually, an estimated 325,000 Americans die from sudden cardiac arrest, including ventricular fibrillation, each year before the victims can reach any medical assistance. For these people, the first sign of coronary heart disease is sudden, unexpected death.
Unlike angina, a heart attack results in permanent damage of the heart muscle. After a heart attack, the damaged portion of the heart is left with a scar. If the amount of heart muscle damage and the area of scarring are small, the performance of the heart as a pump will not be significantly impaired. However, repeated heart attacks or a heart attack with extensive heart muscle damage, can weaken the heart and cause heart failure. People with heart failure experience shortness of breath, tolerate exercise poorly, and lack vigor because their weakened heart muscle cannot pump enough blood to keep their bodies healthy and active.
What is cerebral vascular disease?
Cerebral vascular disease is caused by the reduced supply of blood to the brain. Examples of cerebral vascular disease include ischemic strokes, hemorrhagic strokes, and transient ischemic attacks and are discussed below.
Next: Ischemic stroke
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