Related Experiment Video

Updated: Jul 10, 2025

Author Spotlight: A Novel Standardized Technique for Real-Time Biomedical Imaging of Acute Myocardial Injury
07:17

Author Spotlight: A Novel Standardized Technique for Real-Time Biomedical Imaging of Acute Myocardial Injury

Published on: March 22, 2024

1.1K

An extended use of the balloon deflection technique for difficult side branch wiring

Siu-Fung Wong1, Hiu-Cheong Chow1, Chun-Yue Mui1

  • 1Division of Cardiology, Department of Medicine and Geriatrics, United Christian Hospital, Hong Kong SAR, China.

The Journal of Invasive Cardiology
|November 22, 2023
PubMed

Insights

A 65-year-old man experienced a non-ST-segment elevation myocardial infarction (NSTEMI). Treatment involved percutaneous coronary intervention (PCI) due to severe left anterior descending artery disease.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Vascular Medicine

Background:

  • Non-ST-segment elevation myocardial infarction (NSTEMI) is a critical cardiac event.
  • Left dominant coronary systems present unique anatomical considerations.
  • Severe left anterior descending artery (LAD) disease poses significant risks.

Observation:

  • A 65-year-old male patient presented with symptoms indicative of NSTEMI.
  • Coronary angiography revealed a left dominant coronary artery system.
  • The angiography identified severe and diffuse disease in the LAD.

Findings:

  • The patient's NSTEMI was attributed to the extensive LAD pathology.
  • The left dominant anatomy was a key factor in the disease presentation.
  • Percutaneous coronary intervention (PCI) was deemed the necessary treatment modality.

Implications:

  • Timely PCI is crucial for managing acute coronary syndromes like NSTEMI.
  • Understanding coronary dominance is vital for effective interventional strategies.
  • Diffuse LAD disease requires careful consideration during revascularization planning.

Keywords:
non-ST-segment elevation myocardial infarctionpercutaneous coronary intervention

More Related Videos

Novel and Innovative Hybrid Technique for Type A Aortic Dissection06:26

Novel and Innovative Hybrid Technique for Type A Aortic Dissection

Published on: March 28, 2025

294
Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging11:27

Magnetically-Assisted Remote Controlled Microcatheter Tip Deflection under Magnetic Resonance Imaging

Published on: April 4, 2013

12.5K

Related Concept Videos

Node Analysis for AC Circuits01:14

Node Analysis for AC Circuits

Consider an angioplasty system featuring a catheter equipped with a turbine, a critical tool for removing plaque deposits from coronary arteries. This intricate medical device operates using a circuit model reminiscent of a dual-node RLC circuit powered by a current-controlled voltage source.
To unravel the complexities of this system, nodal analysis is employed, a powerful technique founded on Kirchhoff's current law (KCL), which remains valid for phasors. AC circuits can effectively be...
326
Line Protection with Impedance Relays01:27

Line Protection with Impedance Relays

Coordinating time-delay overcurrent relays in complex radial systems and directional overcurrent relays in multi-source transmission loops can be challenging. Impedance relays address these issues by responding to the voltage-to-current ratio, specifically measuring the apparent impedance of a line. These relays become more sensitive during faults as current increases and voltage decreases, thereby reducing the apparent impedance.
Under normal conditions, low load currents keep the measured...
82
Cable Subjected to a Distributed Load01:24

Cable Subjected to a Distributed Load

The analysis of suspension bridges is a complex and critical process that involves multiple factors, including the shape and tension of the main cables. The main cables of suspension bridges are subjected to distributed loads, which result in changes in tensile forces and deformation of the cable. These loads must be carefully considered to ensure that the bridge is safe and capable of supporting the weight of different loads.
692
Directional Relays01:25

Directional Relays

Directional relays, essential for managing unidirectional fault currents, enhance the safety and efficiency of power systems. On power lines equipped with directional relays, faults downstream (to the right) of the current transformer typically cause the fault current to lag the bus voltage by approximately 90 degrees, known as the forward direction. In contrast, upstream (left-side) faults may result in the fault current leading the bus voltage by nearly 90 degrees, termed the reverse...
118
The Delta-to-Y Circuit01:16

The Delta-to-Y Circuit

In the delta-wye circuit, the source is delta-connected, while the load is in a wye configuration. This means that the phase voltage of the delta-connected source is equal to the line voltage of the wye-connected load. The connection between two-line currents originates from the delta-connected source. The phase difference in the balanced system allows for calculating one line current given the other, utilizing the positive sequence of phases. In the delta-wye system, the phase currents in the...
368
Cable Subjected to Its Own Weight01:13

Cable Subjected to Its Own Weight

Overhead power transmission lines rely on cables to carry electricity across large distances. To ensure the stability and functionality of these lines, it is crucial to understand the shape and tension experienced by the cables under the influence of their weight.
A generalized loading function is employed to analyze a cable subjected to its own weight. This function considers the force acting along the cable's arc length rather than its projected length, providing a more accurate...
459