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  2. What Is Heart Disease? Everything You Need to Know - AOL

    www.aol.com/heart-disease-everything-know...

    The disease makes it difficult for the heart to pump blood throughout the body. Over time, cardiomyopathy causes the heart muscle to become rigid, enlarged, or weak. ... someone in the U.S. has a ...

  3. Angina - Wikipedia

    en.wikipedia.org/wiki/Angina

    Worsening angina attacks, sudden-onset angina at rest, and angina lasting more than 15 minutes are symptoms of unstable angina (usually grouped with similar conditions as the acute coronary syndrome). As these may precede a heart attack, they require urgent medical attention and are, in general, treated similarly to heart attacks. [8]

  4. What to Do If Someone Is Having a Heart Attack: Must-Know ...

    www.aol.com/someone-having-heart-attack-must...

    About 790,000 Americans have a heart attack each year, according to the Centers for Disease Control and Prevention (CDC). The cause is an obstruction of the blood supply to the heart muscle ...

  5. Coronary ischemia - Wikipedia

    en.wikipedia.org/wiki/Coronary_ischemia

    Among women who experience a heart attack, many do not have any prior chest pain. [19] Due to alterations in sensory pathways, diabetic and elderly individuals also may present without any chest pain and may have atypical symptoms similar to those seen in women. [8] This type of ischemia is also known as silent ischemia. [21] [22] [23] [24]

  6. Acute coronary syndrome - Wikipedia

    en.wikipedia.org/wiki/Acute_coronary_syndrome

    Meanwhile, in plaque erosion, the plaque is rich with extracellular matrix, proteoglycan, glycoaminoglycan, but without fibrous caps, no inflammatory cells, and no large lipid core. After the coronary arteries are unblocked, there is a risk of reperfusion injury due spreading inflammatory mediators throughout the body.

  7. Doctors Share Lifesaving Steps to Take During a Medical ... - AOL

    www.aol.com/doctors-share-lifesaving-steps...

    What not to do: Don’t stop rescue efforts until the person starts breathing, a pro rescuer takes over, the scene becomes unsafe, or you’re alone and become too exhausted to keep going.

  8. Unstable angina - Wikipedia

    en.wikipedia.org/wiki/Unstable_angina

    Unstable angina is a type of angina pectoris [1] that is irregular or more easily provoked. [2] It is classified as a type of acute coronary syndrome. [3] It can be difficult to distinguish unstable angina from non-ST elevation (non-Q wave) myocardial infarction.

  9. Atherosclerosis: What Men Need to Know About Plaque ... - AOL

    www.aol.com/atherosclerosis-men-know-plaque...

    Atherosclerosis: Overview. This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Atherosclerosis happens when a fatty substance called plaque builds up inside your arteries.