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  2. Cardiac conduction system - Wikipedia

    en.wikipedia.org/wiki/Cardiac_conduction_system

    Graphical representation of the electrical conduction system of the heart that maintains the heart rate in the cardiac cycle. Electrical signals arising in the SA node (located in the right atrium) stimulate the atria to contract. Then the signals travel to the atrioventricular node (AV node), which is located in the interatrial septum.

  3. Cardiac amyloidosis - Wikipedia

    en.wikipedia.org/wiki/Cardiac_amyloidosis

    The majority of treatment is aimed at preserving heart function and treating heart failure symptoms. [ 3 ] Light chain (AL-CM) Treatment: Since the cause of this subtype of cardiac amyloidosis is the excessive production of free light chains, the major goal of treatment is the reduction in concentration of light chains. [ 5 ]

  4. Amyloid cardiomyopathy - Wikipedia

    en.wikipedia.org/wiki/Amyloid_cardiomyopathy

    Amyloid cardiomyopathy (stiff heart syndrome) [5] is a condition resulting in the death of part of the myocardium (heart muscle). It is associated with the systemic production and release of many amyloidogenic proteins , especially immunoglobulin light chain or transthyretin (TTR). [ 6 ]

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

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

    The tricuspid valve is located between the right atrium and the right ventricle. ... Since the arteries to the privates are smaller than the arteries to the heart, symptoms of atherosclerosis tend ...

  6. Hypertrophic cardiomyopathy - Wikipedia

    en.wikipedia.org/wiki/Hypertrophic_cardiomyopathy

    Often, symptoms mimic those of congestive heart failure (esp. activity intolerance and dyspnea), but treatment of each is different. Beta blockers are used in both cases, but treatment with diuretics, a mainstay of CHF treatment, will exacerbate symptoms in hypertrophic obstructive cardiomyopathy by decreasing ventricular preload volume and ...

  7. Heart attacks are at a record high – here are the symptoms ...

    www.aol.com/heart-attacks-record-high-symptoms...

    Hospital cases at new high as health chiefs raise fears that those with symptoms are failing to seek help

  8. These Are the 4 Stages of Heart Failure - AOL

    www.aol.com/four-stages-heart-failure-143005999.html

    Stage A Defined as: At high risk for heart failure but without structural heart disease (defects in the heart from aging, injury, infection, or heart defect at birth), or symptoms of heart failure.

  9. Sinoatrial node - Wikipedia

    en.wikipedia.org/wiki/Sinoatrial_node

    Sinus node dysfunction also known as sick sinus syndrome is a group of irregular heartbeat conditions caused by faulty electrical signals of the heart. When the heart's sinoatrial node is defective, the heart's rhythms become abnormal—typically too slow or exhibiting pauses in its function or a combination, and very rarely faster than normal ...