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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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Cardiac output (CO), the amount of blood the heart pumps per minute, is a parameter in cardiovascular physiology determined by stroke volume and heart rate. Stroke volume, the amount of blood pushed from one of the ventricles per heartbeat, is influenced by preload, afterload, and contractility.
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The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
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Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
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Hypertension is asymptomatic and also referred to as the "silent killer" until it progresses to a severe stage or causes target organ disease. Patients may experience symptoms stemming from the strain on blood vessels and tissues in various organs or the heart's increased workload.Physical exams might show no abnormalities other than high blood pressure. Signs of vascular damage, when present, correspond to the organs supplied by the affected vessels, leading to target organ damage. For...
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Global Burden of Stroke.

Valery L Feigin1, Bo Norrving2, George A Mensah2

  • 1From the Faculty of Health and Environmental Studies, National Institute for Stroke and Applied Neurosciences, School of Public Health and Psychosocial Studies, Auckland University of Technology, New Zealand (V.L.F.); Department of Clinical Sciences, Neurology, Lund University, Sweden (B.N.); and Division of Cardiovascular Sciences, Center for Translation Research and Implementation Science (CTRIS), National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MD (G.A.M.). valery.feigin@aut.ac.nz.

Circulation Research
|February 4, 2017
PubMed
Summary

Despite declining rates, the absolute number of stroke cases and disabilities has risen globally. Current primary stroke prevention strategies are insufficient, necessitating urgent scaling-up of effective interventions.

Keywords:
GBDburdenepidemiologypreventionstroke

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Area of Science:

  • Epidemiology
  • Public Health
  • Neurology

Background:

  • Stroke remains a leading cause of death and disability worldwide.
  • Understanding global trends in stroke burden is crucial for effective public health strategies.

Purpose of the Study:

  • To provide a comprehensive overview of the global, regional, and country-specific burden of stroke from 1990 to 2013.
  • To analyze trends in stroke incidence, prevalence, mortality, and disability-adjusted life-years (DALYs).
  • To outline recommended measures for reducing the global stroke burden.

Main Methods:

  • Utilized data from the Global Burden of Disease (GBD) 2013 Study.
  • Analyzed stroke burden by sex and age groups across different geographical regions.
  • Examined temporal trends in stroke metrics between 1990 and 2013.

Main Results:

  • Stroke incidence, prevalence, mortality, and DALY rates generally declined between 1990 and 2013.
  • However, the absolute number of people affected by stroke or living with stroke-related disability has increased globally.
  • This increase was observed in both men and women across all age groups.

Conclusions:

  • "Business as usual" approaches to primary stroke prevention are not adequately effective.
  • Substantial reduction in stroke burden is feasible through enhanced prevention strategies.
  • Urgent scaling-up of primary stroke prevention actions is critically needed.