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Related Concept Videos

Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

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Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
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Psychoneuroimmunology: Cardiovascular Disease01:27

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Psychoneuroimmunology (PNI) is a multidisciplinary field that examines how psychological factors, particularly stress, interact with the immune system and impact physical health. Research in PNI has shown that chronic or traumatic stress can disrupt both the hypothalamic-pituitary-adrenal axis and the sympathetic nervous system. These disruptions contribute to serious health conditions, including cardiovascular diseases.
A key area of focus in PNI is the relationship between stress and coronary...
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Assessment of the Cardiovascular System I: Subjective Data01:23

Assessment of the Cardiovascular System I: Subjective Data

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A thorough health history and physical assessment are essential for identifying cardiovascular disease (CVD) symptoms and distinguishing them from other health issues.
Initial Enquiry
Ask the patient about their primary concern and thoroughly explore all reported symptoms.
Medical History
Investigate past illnesses affecting the cardiovascular system, such as angina, anemia, rheumatic fever, congenital heart disease, stroke, thrombophlebitis, dysrhythmias, varicosities
Inquire about symptoms...
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Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers01:19

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Cardiac biomarkers are critical in diagnosing, prognosing, and managing cardiovascular diseases. Routine measurement of specific biomarkers such as B-type natriuretic peptide (BNP), C-reactive protein (CRP), and homocysteine (Hcy) is common practice in clinical settings to evaluate heart function and predict cardiovascular events.
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
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Factors Influencing Heart Rate01:30

Factors Influencing Heart Rate

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The heart rate, or pulse rate, is a vital indicator of cardiovascular health. It reflects the number of times the heart beats per minute. Various physiological and environmental factors influence heart rate, increasing or decreasing cardiac output. Understanding these factors is crucial for assessing heart function and identifying potential health issues.
Let us explore the significant factors affecting heart rate, including age, body temperature, posture, acute pain, chemical influences,...
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Imaging Studies for Cardiovascular System V: CT01:28

Imaging Studies for Cardiovascular System V: CT

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Hydra, a Computer-Based Platform for Aiding Clinicians in Cardiovascular Analysis and Diagnosis
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Twitter as a Potential Data Source for Cardiovascular Disease Research.

Lauren Sinnenberg1, Christie L DiSilvestro1, Christina Mancheno1

  • 1Penn Medicine Social Media and Health Innovation Lab, University of Pennsylvania, Philadelphia2Department of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia.

JAMA Cardiology
|September 30, 2016
PubMed
Summary
This summary is machine-generated.

Twitter data reveals public discussions on cardiovascular disease, with older users more engaged. This platform shows potential for studying public health communication and behaviors related to heart conditions.

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Area of Science:

  • Social Media Analytics
  • Public Health Research
  • Cardiovascular Epidemiology

Background:

  • Social media platforms like Twitter are increasingly used to study public health communication.
  • However, research on Twitter data for cardiovascular health attitudes and behaviors is limited.

Purpose of the Study:

  • To analyze the volume and content of cardiovascular disease-related Tweets.
  • To characterize the demographics of Twitter users discussing cardiovascular disease.

Main Methods:

  • A random sample of approximately 10 billion English-language Tweets from US counties between 2009 and 2015 was analyzed.
  • Tweets related to cardiovascular disease were identified and characterized.
  • A subset of 2500 Tweets was hand-coded for content analysis.

Main Results:

  • Over 550,000 Tweets mentioned cardiovascular disease, with 'diabetes' and 'myocardial infarction' being frequent terms.
  • Users discussing cardiovascular disease were older and less likely to be male compared to the general Twitter population.
  • Key themes in Tweets included risk factors, awareness, and management of cardiovascular disease.

Conclusions:

  • Twitter serves as a valuable tool for understanding public discourse on cardiovascular disease.
  • The platform offers insights into public attitudes, awareness, and discussions surrounding heart health.