Related Experiment Video

Updated: Jul 16, 2026

Intracoronary Acetylcholine Provocation Testing for Assessment of Coronary Vasomotor Disorders
06:39

Intracoronary Acetylcholine Provocation Testing for Assessment of Coronary Vasomotor Disorders

Published on: August 18, 2016

Prinzmetal's variant form of angina pectoris. Re-evaluation of mechanisms

M Endo, I Kanda, S Hosoda

    Circulation
    |July 1, 1975
    PubMed

    More Related Videos

    Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats07:12

    Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats

    Published on: January 21, 2020

    Quantifying Pain Location and Intensity with Multimodal Pain Body Diagrams09:00

    Quantifying Pain Location and Intensity with Multimodal Pain Body Diagrams

    Published on: July 7, 2023

    Related Concept Videos

    Flail Chest-I01:24

    Flail Chest-I

    Overview of Flail Chest
    Flail chest is a severe and potentially life-threatening condition characterized by the fracture of three or more adjacent ribs in multiple places. It is most commonly caused by direct impacts and trauma, such as motor vehicle accidents or injuries from a steering wheel impact. It can also occur due to falls in elderly individuals with osteoporosis, or assaults involving sharp objects.
    Pathophysiology
    The pathophysiology of flail chest is complex, involving fractures of...
    Mitral Valve Prolapse II: Assessment and Management01:22

    Mitral Valve Prolapse II: Assessment and Management

    IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular tachycardia.
    Pericarditis II: Clinical Features and Diagnostic Tests01:19

    Pericarditis II: Clinical Features and Diagnostic Tests

    Pericarditis is distinguished by inflammation of the pericardium, the fibrous sac that encases the heart. It can be acute, lasting less than six weeks, or chronic, persisting for over three months. Understanding its clinical manifestations and diagnostic findings is crucial for timely and effective management.Clinical ManifestationsWhile pericarditis can be asymptomatic, it usually presents with characteristic symptoms such as:Chest Pain: The most characteristic symptom of pericarditis is chest...
    Angina I: Introduction01:30

    Angina I: Introduction

    Definition and Symptoms: Angina (angina pectoris) is chest pain or discomfort caused by myocardial ischemia, which occurs when the heart muscle receives insufficient oxygen-rich blood. It typically manifests as pressing, squeezing, or crushing sensations in the chest and may radiate to the shoulders, arms, neck, jaw, or back.Primary Cause: In a healthy state, the coronary arteries can dilate (widen) to increase blood flow and meet the increased oxygen demand during physical activity or...
    Angina II: Classification01:27

    Angina II: Classification

    Angina, also known as angina pectoris, is a chest pain resulting from diminished blood flow to the heart muscle and is often a symptom of coronary artery disease. Angina presents several variants with distinctive attributes, etiologies, and therapeutic approaches. The main types of angina include stable, unstable, variant (Prinzmetal's), microvascular, intractable, and silent ischemia.Stable angina is caused by atherosclerosis, which leads to the formation of plaques that narrow the coronary...
    Angina III: Clinical Manifestations and Assessment01:29

    Angina III: Clinical Manifestations and Assessment

    Angina manifests as chest pain, tightness, or squeezing discomfort typically located behind the breastbone. It can radiate to the neck, jaw, shoulders, and inner aspects of the upper arms, most commonly the left arm. Patients may experience shortness of breath, fatigue, profuse sweating, dizziness, indigestion, heartburn, palpitations, anxiety, and vomiting as accompanying symptoms. This pain often lasts a few minutes and is triggered by physical exertion, emotional stress, heavy meals, or cold...