A pacemaker is a device or system that sends electrical impulses to the heart in order to set the heart rhythm. A pacemaker can be a natural pacemaker of the heart (the sinoatrial node) or it can be an electronic device that serves as an artificial pacemaker.
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Echocardiogram is a test using ultrasound to provide pictures of the heart's valves and chambers. There are several types of...learn more »
Heart attack happens when a blood clot completely obstructs a coronary artery supplying blood to the heart muscle. A heart attack...learn more »
In This Article
Heart Attack Article
- Heart attack facts
- What is a heart attack?
- What causes a heart attack?
- What are the symptoms of a heart attack?
- What are the complications of a heart attack?
- What are the risk factors for atherosclerosis and heart attack?
- How is a heart attack diagnosed?
- What is the treatment for heart attack?
- What are the risk factors for heart attack in women?
- What are the symptoms of heart attack in women and how is heart attack diagnosed?
- How is heart attack in women treated?
- What about hormone therapy and heart attack in women?
- What is new in heart attack?
Fainting, also referred to as blacking out, syncope, or temporary loss of consciousness has many causes. Often a person will have...learn more »
In This Article
Ventricular Septal Defect Article
- Ventricular septal defect facts
- What is a ventricular septal defect (VSD)?
- How common is a VSD?
- What is the normal design of the heart?
- How do VSDs cause problems?
- How is a VSD diagnosed? What are the symptoms of a VSD?
- What if the VSD is small?
- How is a small VSD treated?
- What if the VSD is large?
- How is a large VSD treated?
- What types of surgery are available to correct a VSD?
- What is the outlook (prognosis) after a VSD is repaired?
- What are complications of VSD surgery?
- What about unusual cases of VSD?
- What are long-term precautions with VSDs?