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The Heart & Diving

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Developed by medical professionals, DAN’s 56-page Heart & Diving booklet discusses important cardiac topics such as cardiovascular disease, structural heart anomalies, ischemic heart disease and heart arrhythmias. These conditions account for nearly 1/3 of all diving fatalities and can’t be overlooked before getting into the water because immersion places significant stressors on the body – especially on the heart and circulatory system. Knowing your risk factors and identifying signs of abnormalities are critically important to a safe diving experience.

This booklet includes heart & diving information including:
  • Basics of your heart and circulatory system
    • How diving affects your heart and circulatory system
    • Cardiac health and your risk of death while diving
    • Understanding the concept of aerobic exercise capacity
    • The effects of aging on your cardiovascular system
    • Calculating physical activity intensity
    • Placing the risks and benefits of physical activity in perspective
  • Risk factors for cardiovascular disease
    • Cardiovascular risk factors
    • Hypertension
    • Hyperlipidemia
    • Overweight and obesity
    • Metabolic syndrome
  • Structural anomalies of the heart
    • Overview of valvular disorders
    • Mitral valve prolapse
    • Patent foramen ovale
  • Ischemic heart disease
    • Atherosclerosis
    • Myocardial infarction
    • Issues involving coronary artery bypass grafts
    • Issues particular to women
  • Arrhythmias
    • Syncope
    • Extrasystole
    • Atrial fibrillation
    • Sudden cardiac arrest
    • Issues involving implanted pacemakers
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