Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
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...
Electrocardiogram01:29

Electrocardiogram

An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...
Cardiac Action Potential01:30

Cardiac Action Potential

Cardiac action potentials are essential for proper heart function, enabling the rhythmic contractions needed for adequate blood circulation. Nodal cells and Purkinje fibers, specialized for electrical conduction, generate these action potentials.
The cardiac action potential process involves a series of phases characterized by the movement of ions across the cardiac cell membranes, leading to the depolarization and repolarization of the cardiac myocytes.
Ionic Basis of Cardiac Action Potentials

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Beyond ejection fraction: Rethinking response and prognostication after cardiac resynchronization therapy.

Heart rhythm O2·2026
Same author

Lessons Learned from the Feasibility Phase of the REvascularization CHoices Among Under-Represented Groups Evaluation (RECHARGE) Trial Program.

American heart journal·2026
Same author

Hemodynamic improvement immediately following percutaneous recanalization of chronic total occlusions.

Cardiovascular revascularization medicine : including molecular interventions·2026
Same author

Long-Term Outcomes of Leadless Pacemaker vs. Transvenous Pacemaker in End-Stage Renal Disease.

Journal of cardiovascular electrophysiology·2026
Same author

An Unusual Cause of Diffuse T-Wave Inversion: Coronary Arteriovenous Fistula.

JACC. Case reports·2026
Same author

Clinical Outcomes of Catheter Ablation for Atrial Fibrillation in Patients With Hypertrophic Cardiomyopathy.

Journal of cardiovascular electrophysiology·2026
Same journal

Dialysis-related spontaneous anterior mediastinal hemorrhage.

Acta cardiologica·2026
Same journal

From the arrhythmia to the substrate: the role of atrial cardiomyopathy in atrial fibrillation management.

Acta cardiologica·2026
Same journal

Presence of anti-cardiac troponin I antibodies (cTnIAb) and their role in the left ventricular remodelling, in patients with acute myocardial infarction.

Acta cardiologica·2026
Same journal

Guideline-recommended medical therapy and clinical outcomes in cancer patients with de Novo heart failure.

Acta cardiologica·2026
Same journal

Association between red cell distribution width and all-cause mortality in patients with congestive heart failure and atrial fibrillation.

Acta cardiologica·2026
Same journal

The ventricular assist device outflow cannula anastomosis to the descending aorta in a patient with porcelain aorta.

Acta cardiologica·2026
See all related articles

Related Experiment Video

Updated: May 23, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

The masquerading act of ST elevation.

Abhishek Deshmukh1, Sadip Pant, George Dibu

  • 1Dept. of Internal Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas 77205, USA.

Acta Cardiologica
|March 30, 2012
PubMed
Summary
This summary is machine-generated.

ST-segment elevation on ECGs often indicates heart attack, but this case report highlights Prinzmetal's angina as a mimic. Early treatment is crucial, but accurate diagnosis is key to effective reperfusion therapy.

More Related Videos

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

Related Experiment Videos

Last Updated: May 23, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
18:11

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis

Published on: December 28, 2012

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
10:17

Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System

Published on: April 11, 2025

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction
06:57

Ablation of Ischemic Ventricular Tachycardia Using a Multipolar Catheter and 3-dimensional Mapping System for High-density Electro-anatomical Reconstruction

Published on: January 31, 2019

Area of Science:

  • Cardiology
  • Emergency Medicine
  • Diagnostic Imaging

Background:

  • ST-segment elevation myocardial infarction (STEMI) is a critical diagnosis requiring rapid reperfusion.
  • Timely treatment for STEMI directly correlates with patient outcomes and quality of care.
  • Percutaneous coronary interventions are standard for STEMI, emphasizing prompt intervention.

Observation:

  • A case presentation mimicking STEMI is described.
  • The patient exhibited ST-segment elevation on electrocardiogram (ECG).
  • Prinzmetal's angina was identified as the underlying condition.

Findings:

  • Prinzmetal's angina can present with electrocardiographic findings similar to STEMI.
  • This condition can lead to a misdiagnosis if not carefully considered.
  • The importance of differential diagnosis in ST-segment elevation is underscored.

Implications:

  • Clinicians must consider non-infarction causes of ST-segment elevation.
  • Accurate diagnosis is vital to avoid unnecessary or incorrect interventions.
  • Awareness of Prinzmetal's angina can improve patient management and outcomes.