Piedmont Heart Institute

Our Mission

PHI brings more than 85 prominent cardiovascular physicians together with one of the premier cardiac centers in the region, the Fuqua Heart Center at Piedmont Hospital. PHI is comprised of physician practices, hospital services at each of the Piedmont hospitals, cardiovascular research and education, collaborative quality initiatives, Innovation Center and new program development.


  • Dr. William D. Knopf, MD - Atlanta, GA - Cardiology (Cardiovascular Disease)

    What is Charcot-Marie-Tooth disease (CMT)?

    Charcot-Marie-Tooth (CMT) disease is one of the most common inherited neurological disorders, affecting approximately 1 in 2,500 people in the United States. The disease is named after the three physicians who first identified it in 1886 ― Jean-Martin Charcot and Pierre Marie in Paris, France, and...Read More
  • Piedmont Heart Institute

    What are the symptoms of carotid artery disease?

    Carotid artery disease may not cause signs or symptoms until it severely narrows or blocks the carotid arteries. Signs and symptoms may include a bruit, a transient ischemic attack (TIA), or a stroke.


    During a physical exam, your doctor may listen to your carotid arteries with a stethoscope....Read More
  • Piedmont Heart Institute

    What is informed consent in clinical research?

    Before you take part in a study, it is important to fully understand it and to understand what participation may be like. Researchers will help by providing an "informed consent" statement. This is a document that has detailed information about the study, including its length, the number of visits...Read More
  • Piedmont Heart Institute

    Why do scientists think statins might prevent cancer?

    By exploring the effects of statins on the process of cancer at the molecular level, researchers have found that statins work against critical cellular functions that may help control tumor initiation, tumor growth, and metastasis. Specifically, statins reduce (or block) the activity of the enzyme...Read More
  • Piedmont Heart Institute

    What are the alternative names for electrocardiogram?

    An electrocardiogram also is called EKG or ECG. Sometimes the test is called a 12-lead EKG or 12-lead ECG because the electrical activity of the heart is most often recorded from 12 different places on the body at the same time.
    This answer from the National Heart, Lung and Blood Institute has been...Read More
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    Who is a likely candidate for statins?

    Clinical trials have demonstrated several types of patients that may benefit from being on a statin as it reduces their risk for heart attacks and strokes.  Most importantly, anyone who has already had a heart attack, stroke, or a procedure to relieve a blockage in their arteries (i.e. angioplasty, bypass...Read More
  • Piedmont Heart Institute

    How does heart failure change my lifestyle?

    Heart failure can't be cured. You will likely have to take medicine and follow a treatment plan for the rest of your life.
    Despite treatment, symptoms may get worse over time. You may not be able to do many of the things that you did before you had heart failure. However, if you take all the steps...Read More
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    What does a Holter or event monitor show?

    A Holter or event monitor may show what's causing symptoms of an arrhythmia. This is problem with the speed or rhythm of the heartbeat.
    Holter and event monitors also can show whether a heart rhythm problem is harmless or whether it needs treatment. Treatment is needed if the problem causes serious...Read More
  • Piedmont Heart Institute

    How does secondhand smoke affect non-smokers?

    Secondhand smoke causes disease and premature death in nonsmoking adults and children. Exposure to secondhand smoke irritates the airways and has immediate harmful effects on a person's heart and blood vessels. It may increase the risk of heart disease by an estimated 25 to 30 percent. In the United...Read More
  • Dr. Randolph P. Martin, MD - Atlanta, GA - Cardiology (Cardiovascular Disease)

    How can I make sure to maintain my weight loss?

    Maintain your weight by monitoring the calories that you consume and the calories that you expend. Watch my video to learn more about how to maintain your weight. Read More
  • Dr. Randolph P. Martin, MD - Atlanta, GA - Cardiology (Cardiovascular Disease)

    Is there any treatment for Sjogren's syndrome?

    I recently interviewed Dr. Wilson regarding this 'invisible disease'. He mentioned there are several treatment options. “The first thing we do is treat the disease symptomatically,” says Dr. Wilson. It’s particularly important that patients use preservative-free eye drops, medication that help with...Read More
  • Piedmont Heart Institute

    What is hypersomnia?

    Hypersomnia is characterized by recurrent episodes of excessive daytime sleepiness or prolonged nighttime sleep. Different from feeling tired due to a lack of or interrupted sleep at night, hypersomnia involves people feeling compelled to nap repeatedly during the day, often at an inappropriate time...Read More
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    What are the symptoms of a heart murmur?

    Most people who have heart murmurs don't have any other signs or symptoms of heart problems. These murmurs usually are innocent (harmless).Some people who have heart murmurs do have signs or symptoms of heart problems. The signs and symptoms may include:
    • Blue coloring of the skin, especially on
    ...Read More
  • Dr. Randolph P. Martin, MD - Atlanta, GA - Cardiology (Cardiovascular Disease)

    What happens during a heart attack?

    Heart attacks occur when plaque, resulting from cholesterol, cause your body to build clots on the inside of your blood vessels. This build up of plaque and clots starves your heart muscle of oxygen and nutrients necessary for its proper function. Watch this video to learn more from Dr. Randy P....Read More
  • Piedmont Heart Institute

    What are Holter and event monitors?

    Holter and event monitors are medical devices that record the heart's electrical activity. Doctors most often use these monitors to diagnose arrhythmias. These are problems with the speed or rhythm of the heartbeat. During an arrhythmia, the heart can beat too fast, too slow, or irregularly.
    Holter and event...Read More