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Related Concept Videos

Regulation of Stroke Volume01:27

Regulation of Stroke Volume

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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 II: Effect of Stroke Volume on Cardiac Output01:22

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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.
Preload
Preload refers to the initial elongation of the cardiac myocytes before contraction and is related to the volume of blood filling the heart at the end of diastole, or end-diastolic volume. The...
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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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Cardiac Output and Stroke Volume01:11

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Cardiac output (CO) is an integral aspect of human physiology, reflecting the heart's efficiency and responsiveness to the body's needs. It represents the volume of blood that the left or right ventricle ejects into the aorta or pulmonary trunk each minute. The CO is calculated by multiplying the heart rate (HR)—the number of heartbeats per minute—by the stroke volume (SV)—the amount of blood pumped out with each heartbeat.
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Related Experiment Video

Updated: Dec 26, 2025

A Middle Cerebral Artery Occlusion Technique for Inducing Post-stroke Depression in Rats
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Global Stroke Statistics 2019.

Joosup Kim1,2, Tharshanah Thayabaranathan1, Geoffrey A Donnan3

  • 1Stroke and Ageing Research, Department of Medicine, School of Clinical Sciences at Monash Health, Monash University, Clayton, Victoria, Australia.

International Journal of Stroke : Official Journal of the International Stroke Society
|March 10, 2020
PubMed
Summary
This summary is machine-generated.

This study provides updated global stroke incidence, mortality, and case-fatality data, highlighting variations between countries. Limited reporting on stroke units necessitates increased data collection for better healthcare planning.

Keywords:
Case–fatality rateepidemiologyincidencemortalitystrokestroke unitsworldwide

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Area of Science:

  • Epidemiology
  • Global Health
  • Healthcare Management

Background:

  • Stroke epidemiology and healthcare service data are crucial for global health policy and planning.
  • Accurate data informs resource allocation and intervention strategies for stroke care worldwide.

Purpose of the Study:

  • To present the latest global data on stroke incidence, mortality, and case-fatality rates.
  • To assess the worldwide availability of hospital-based stroke units by country.

Main Methods:

  • Systematic literature search for stroke incidence and case-fatality data (June 2016-October 2018).
  • PubMed and gray literature search for stroke unit availability (up to June 2018).
  • Extracted mortality data from WHO, population data from WHO and UN, and calculated crude and adjusted mortality rates.

Main Results:

  • New incidence data from China and India; new case-fatality data from Estonia and India.
  • Most current mortality data available for 2015 (39 countries), 2016 (43 countries), and 2017 (7 countries).
  • Stroke unit availability reported for 63 countries, with treatment proportions detailed for 35.

Conclusions:

  • Updated stroke statistics reveal significant international variations and evolving burdens, particularly in low- and middle-income countries.
  • Continued reporting on hospital-based stroke units is essential and should be encouraged to improve stroke care globally.