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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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Stem cells are undifferentiated cells that divide and produce more stem cells or progenitor cells that differentiate into mature, specialized cell types. All the cells in the body are generated from stem cells in the early embryo, but small populations of stem cells are also present in many adult tissues including the bone marrow, brain, skin, and gut. These adult stem cells typically produce the various cell types found in that tissue—to replace cells that are damaged or to continuously...
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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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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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Cardiopulmonary Resuscitation I: Adult01:21

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Cardiopulmonary resuscitation, or CPR, is a life-saving emergency procedure performed when a person's heart has stopped beating or they are no longer breathing. The foundation of CPR is Basic Life Support (BLS), which focuses on the early recognition of cardiac arrest, the immediate start of high-quality chest compressions, and the timely use of an automated external defibrillator (AED).Assessing Responsiveness and Checking the Carotid PulseWhen approaching an unresponsive person, first ensure...
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Relationship with Other Adult Family Members and Siblings01:29

Relationship with Other Adult Family Members and Siblings

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Other adult family members and siblings play a crucial role in shaping children’s social and emotional development. While parents or primary caregivers are often the central figures in early attachment and socialization, other adults in a child’s life, such as grandparents, aunts, and uncles, can significantly influence developmental outcomes. These influences depend on each adult’s personality and may help compensate when a primary caregiver is emotionally distant or...
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Updated: Jan 31, 2026

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Stroke in young adults: Five new things.

Nirav Bhatt1, Amer M Malik1, Seemant Chaturvedi1

  • 1Division of Vascular Neurology (NB, AMM, SC), Department of Neurology, University of Miami Miller School of Medicine, and Miami VA Hospital (SC), FL.

Neurology. Clinical Practice
|December 28, 2018
PubMed
Summary
This summary is machine-generated.

Stroke incidence in young adults is rising, particularly ischemic stroke. Recent findings highlight increasing traditional risk factors and updated management for patent foramen ovale and cervical artery dissection.

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Area of Science:

  • Neurology
  • Public Health
  • Epidemiology

Background:

  • The incidence of stroke among young adults is increasing.
  • Ischemic stroke is the primary driver of this trend in younger populations.

Purpose of the Study:

  • To present recent findings on risk factor prevalence in young adult stroke.
  • To discuss specific etiologic causes and management strategies for ischemic stroke in this demographic.

Main Methods:

  • Review of recent scientific literature and clinical studies.
  • Analysis of epidemiological data on stroke incidence in young adults.

Main Results:

  • A notable increase in traditional stroke risk factors among young adults has been observed.
  • Updated management strategies for patent foramen ovale in cryptogenic stroke and cervical artery dissection are now available.

Conclusions:

  • Stroke in young adults represents a significant and growing public health concern.
  • Further research is essential to address the complexities of stroke in this age group.