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SecondsCount.org

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The world’s leading heart doctors created SecondsCount.org to give you the most complete, unbiased, accurate, and up-to-date information available on heart and vascular disease. From the most basic questions about your cardiovascular health to the latest news on diagnosis, treatment and prevention, SecondsCount.org has the answers you need to make the best decisions for your cardiovascular health.



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  • James Underberg, MD
    James Underberg, MD is now following SecondsCount.org
  • SecondsCount.org
    SecondsCount.org answered:
    How does family history affect my risk for heart disease?
    Heart disease is hereditary in certain groups of patients. Generally, if a man has a heart attack...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    How is an intracardiac echocardiogram performed?
    Intracardiac echocardiography is an invasive procedure, using a catheter passed through the...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What should I ask my doctor about computerized tomographic angiography?
    The following questions can help you talk to your physician about undergoing computerized...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    Is computerized tomographic angiography safe?
    Most reactions to computerized tomographic angiography (CTA) are due to the contrast dye. Most...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What should I ask my doctor about computerized tomographic angiography?
    The following questions can help you talk to your physician about undergoing computerized...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What should I ask my doctor about blood pressure tests?
    The following questions can help you talk to your physician about having your blood pressure...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    Is it safe to have a chest x-ray?
    Medical tests, including chest x-rays, should not be ordered unless they can provide...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What happens during a chest x-ray?
    A chest x-ray is performed in your physician’s office or the hospital. The test itself is...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    How does a chest x-ray work?
    During a chest x-ray, a beam with a small amount of radiation is directed through the chest....  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What is a chest x-ray?
    A chest x-ray produces an image of the inside of the chest showing the bones, heart and blood...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What should I ask my doctor about having a chest x-ray?
     The following questions can help you talk to your physician about having a chest x-ray....  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    What is CT angiography?
    Computerized tomographic angiography, also called CTA or CT angiography, uses x-rays and...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    How does computerized tomographic angiography work?
    Contrast dye is injected into the blood vessels to make it easier to view them. Radiation is...  Full Post
  • SecondsCount.org
    SecondsCount.org answered:
    How is computerized tomographic angiography performed?
    Before computerized tomographic angiography (CTA), you will be asked not to eat or drink for...  Full Post