Some of the most common kinds of heart disease are:
Coronary Artery Disease (CAD)
When a substance called plaque builds up in the arteries that supply blood to the heart, CAD occurs. This process can cause the arteries to narrow and harden over time, which is known as atherosclerosis. As the plaque increases in size, the insides of the coronary arteries get narrower and less blood can flow through them. Eventually, blood flow to the heart muscle is reduced, and the heart muscle is not able to get the oxygen it needs. This can lead to a heart attack.
Heart Attack
During a heart attack, flow of blood to the heart is severely reduced or stopped and heart muscle is damaged and soon begins to die. The more time passes without treatment, the greater the damage. Some heart attacks are sudden and intense, but most heart attacks start slowly, with mild pain or discomfort. Often people having a heart attack do not realize what is happening and delay calling 911 until it is too late.
Angina
A symptom of Coronary Artery Disease, angina is chest pain or discomfort that occurs when the heart does not get enough blood. People describe angina as discomfort, pressure, or pain in the chest, back, neck, shoulders, arms (especially the left arm), or jaw.
Heart Failure
When your heart can't pump enough blood to meet your body's needs, you have a condition known as heart failure. It does not mean your heart has stopped. Key symptoms of heart failure include shortness of breath, a dry and hacking cough, weight gain, swelling, and fatigue. A heart transplant is the only cure for heart failure but it can be managed with medication.
Arrhythmias
An arrhythmia is an abnormally fast or slow heartbeat. An arrhythmia can also mean that your heart beats irregularly (skips a beat or has an extra beat). At some time or another, most people have felt their heart race or skip a beat. These occasional changes can be brought on by strong emotions or exercise. They are usually not a cause for alarm. Arrhythmias that occur more often or cause symptoms may be more serious and need to be discussed with your doctor.
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