相关实验视频

Updated: Jul 29, 2026

Ultrasonic Assessment of Myocardial Microstructure
10:53

Ultrasonic Assessment of Myocardial Microstructure

Published on: January 14, 2014

对与大动脉缩相关的异常进行心声学研究

J A Scovil, N C Nanda, C M Gross

    Circulation
    |June 1, 1976
    PubMed
    概括

    心声检查显示,一半以上的患有大动脉缩的患者有双管大动脉,通常与大动脉吐有关. 一些患者也表现出异常性缩性多动脉下静脉狭窄症的迹象.

    更多相关视频

    Ultrasound Based Assessment of Coronary Artery Flow and Coronary Flow Reserve Using the Pressure Overload Model in Mice06:39

    Ultrasound Based Assessment of Coronary Artery Flow and Coronary Flow Reserve Using the Pressure Overload Model in Mice

    Published on: April 13, 2015

    Cardiac Loading using Passive Left Atrial Pressurization and Passive Afterload for Graft Assessment08:49

    Cardiac Loading using Passive Left Atrial Pressurization and Passive Afterload for Graft Assessment

    Published on: August 2, 2024

    相关概念视频

    Imbalances in Cardiac Output01:26

    Imbalances in Cardiac Output

    The heart's primary function is to pump blood throughout the body, maintaining a balance between blood sent out (cardiac output) and blood returning (venous return). If this balance is disrupted, it can result in congestive heart failure (CHF), a severe condition where the heart becomes an inefficient pump, leading to inadequate blood circulation.
    CHF can occur due to the failure of either side of the heart. Left-side failure leads to pulmonary congestion—the right side continues to send blood...
    Cardiovascular System Abnormal Findings II: Auscultation01:25

    Cardiovascular System Abnormal Findings II: Auscultation

    Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
    Abnormal Heart Sounds
    Gallops:
    Imaging Studies for Cardiovascular System I:Echocardiography01:17

    Imaging Studies for Cardiovascular System I:Echocardiography

    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, evaluates...
    Imaging Studies for Cardiovascular System IV: CMRI01:21

    Imaging Studies for Cardiovascular System IV: CMRI

    Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
    Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT01:25

    Imaging Studies for Cardiovascular System VI: Calcium -Scoring CT

    Calcium-Scoring CT ScanA calcium-scoring CT scan, also known as coronary artery calcium (CAC) scan, detects calcium deposits in the coronary arteries. This test assesses the risk of coronary artery disease (CAD), which can lead to cardiovascular events such as angina, heart failure, and sudden cardiac arrest.A calcium-scoring CT scan is generally recommended for individuals at intermediate risk of CAD without symptoms. It includes:Men aged 40-75 and women aged 50-75: Especially those with a...
    Acute Coronary Syndrome III: Diagnostic Studies01:30

    Acute Coronary Syndrome III: Diagnostic Studies

    Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...