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Related Concept Videos

Assessment of the Cardiovascular System IV: Auscultation01:25

Assessment of the Cardiovascular System IV: Auscultation

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Cardiac auscultation is a clinical skill used to assess heart function and detect abnormalities. It involves listening to heart sounds at specific anatomical locations through a stethoscope.
Normal Heart Sounds
S1 (First Heart Sound)-
S1 is made by the closure of the mitral and tricuspid valves (atrioventricular valves), marking the beginning of systole.
S2 (Second Heart Sound)-
S2 is made by the closure of the aortic and pulmonic valves (semilunar valves), marking the end of the systole.
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Assessment of the Cardiovascular System III: Palpation01:27

Assessment of the Cardiovascular System III: Palpation

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Palpation involves feeling the body to evaluate texture, size, consistency, and tenderness for assessing cardiovascular health. The following steps are organized in a head-to-toe order:
Jugular Venous Pressure (JVP) Measurement
Position the patient at a thirty- to forty-five-degree angle or in a semi-fowler's position. Look for the highest point of pulsation in the internal jugular vein and measure the vertical distance to the angle of Loius or sternal angle. A normal JVP is 3-4 cm above...
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Assessment of apical radial pulse01:25

Assessment of apical radial pulse

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Apical-Radial (A-R) Pulse Assessment
The A-R pulse assessment involves simultaneous evaluation of the apical and radial pulses. When the apical and radial pulse rates vary, this assessment helps identify a pulse deficit.
Pre-Procedural Preparation
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Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

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Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion,...
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Assessment of the Cardiovascular System I: Subjective Data01:23

Assessment of the Cardiovascular System I: Subjective Data

293
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...
293
Assessment of the Cardiovascular System II: Inspection01:29

Assessment of the Cardiovascular System II: Inspection

197
Inspection is the initial step in assessing the cardiovascular system. It involves a detailed visual examination that provides crucial information about a patient's circulatory and cardiac health. This systematic process, conducted from head to toe, helps identify signs of cardiovascular conditions by observing physical appearance, skin and mucous membranes, jugular and carotid pulsations, chest symmetry, and the condition of the extremities.
Head and Neck
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Related Experiment Video

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Author Spotlight: Advancing Neonatal Cardiac Diagnostics with Echocardiography-Derived Blood Speckle Imaging
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A Novel Index System for Assessing Ventricular-Vascular Coupling.

Lingheng Wu1, Mengjiao Zhang2, Jianxiong Chen1

  • 1Department of Ultrasound, Shanghai General Hospital of Nanjing Medical University, 200080 Shanghai, China.

Reviews in Cardiovascular Medicine
|July 30, 2024
PubMed
Summary

A new ventricular-vascular coupling index (VVI) system, including arterial velocity pulse index (AVI) and left ventricular global longitudinal strain (LVGLS), effectively detects age-related cardiovascular changes. This novel system shows superior diagnostic performance compared to traditional indexes in various age groups.

Keywords:
agearterial velocity pulse indexechocardiographyleft ventricular global longitudinal strainventricular-vascular coupling

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Area of Science:

  • Cardiovascular Physiology
  • Echocardiography
  • Biomedical Engineering

Background:

  • Ventricular-vascular coupling (VVC) is crucial for cardiovascular health.
  • Traditional VVC indices may not fully capture age-related functional changes.
  • A novel VVI system comprising arterial velocity pulse index (AVI), left ventricular global longitudinal strain (LVGLS), and their ratio (AVI/LVGLS) was developed.

Purpose of the Study:

  • To evaluate the utility of a novel VVI system in assessing cardiovascular function across different age groups, genders, and body mass index (BMI) categories.
  • To compare the diagnostic performance of the novel VVI system with traditional VVC indices.

Main Methods:

  • A cross-sectional study included 239 healthy volunteers stratified by age (young, middle-age, old), gender, and BMI.
  • Measurements included left ventricle end-diastolic volume (LVEDV), left ventricle end-systolic volume (LVESV), TDI, effective arterial elastance (Ea), left ventricular end-systolic elastance (Ees), and the novel VVI components (AVI, LVGLS, AVI/LVGLS).
  • Statistical analysis compared indices across groups and assessed correlations and diagnostic performance.

Main Results:

  • Middle-aged and elderly individuals exhibited higher Ea and lower LVGLS than younger subjects; AVI and AVI/LVGLS increased with age.
  • Females showed higher Ea, Ees, and LVGLS than males, but AVI and AVI/LVGLS did not differ significantly between genders.
  • The novel AVI/LVGLS index demonstrated superior diagnostic performance compared to traditional VVI and Ea in distinguishing cardiovascular function across age groups, particularly in younger and older cohorts.

Conclusions:

  • The novel VVI system (AVI, LVGLS, AVI/LVGLS) effectively identifies age-related cardiovascular functional differences.
  • This novel index system offers enhanced diagnostic capabilities for assessing ventricular-vascular coupling compared to traditional methods.
  • The AVI/LVGLS ratio shows particular promise for evaluating cardiovascular health across the lifespan.