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  • Arrhythmias - Conduction Disorders | NHLBI, NIH
    A conduction disorder, also known as heart block, is a problem with the electrical system that controls your heart’s rate and rhythm Learn about the causes, symptoms, and treatments for conduction disorders
  • What Is Coronary Heart Disease? - NHLBI, NIH
    Coronary heart disease occurs when the arteries of the heart cannot deliver enough oxygen-rich blood to the heart Learn about the risk factors, diagnosis, and treatment of coronary heart disease
  • Heart disease and depression: A two-way relationship - NHLBI, NIH
    Just as concerning, say doctors, is the prognosis for older patients who already have heart disease Researchers have discovered that depression actually worsens the prognosis—and dramatically Conversely, people who are diagnosed with heart disease have an increased risk of developing depression It's two-way relationship The prevalence of depression among cardiac patients ranges from 20
  • COPD - What Is COPD? | NHLBI, NIH
    COPD can cause coughing that produces large amounts of a slimy substance called mucus It can also cause breathing problems, shortness of breath, chest tightness, and other symptoms Because COPD is a progressive disease, its symptoms often develop slowly but worsen over time and can limit your ability to do routine activities
  • Arrhythmias - What Is an Arrhythmia? | NHLBI, NIH
    An arrhythmia is a problem with the rate or rhythm of your heartbeat Your heart may beat too fast, too slowly, or with an irregular rhythm Learn about the causes, symptoms, and treatments for arrhythmia
  • Coronary Heart Disease - Risk Factors | NHLBI, NIH
    Learn about the risk factors for coronary heart disease such as age, environment, other diseases, family history and genetics, lifestyle habits, race and ethnicity, and mental health and social factors
  • Why mental stress can take a toll on the heart - NHLBI, NIH
    Stressful events can negatively impact the heart In 2021, NIH-supported researchers found that one in six people with heart disease were twice as likely to experience myocardial ischemia - a reduction in blood flow to the heart - when they experienced mental stress and that, in turn, was linked to increased risks for having a heart attack or a heart-related death years later Now, the same
  • Heart Tests - Heart Tests | NHLBI, NIH
    Heart imaging tests take pictures of your heart or its arteries or blood vessels to help your doctor see whether there are any problems Cardiac CT scan A cardiac computed tomography (CT) scan, also called a "CAT scan,” is a painless, non-invasive imaging test that uses X-rays to take many detailed pictures of your heart and its blood vessels
  • Sleep Apnea - Causes and Risk Factors | NHLBI, NIH
    Central sleep apnea is caused by problems with the way your brain controls your breathing while you sleep Your age, family history, lifestyle habits, other medical conditions, and some features of your body (for example, your neck or tongue) can raise your risk for sleep apnea But healthy lifestyle changes can help lower your risk
  • Heart Treatments - Heart Treatments | NHLBI, NIH
    Heart surgery corrects problems with the heart and blood vessels around the heart if other treatments haven’t worked or can’t be used Depending on your condition and your health, you may have traditional heart surgery, often called open-heart surgery





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