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Updated: Oct 4, 2026

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

[Diagnostic value of late ventricular potentials in patients with painless myocardial ischemia]

I P Tatarchenko, N V Pozdniakova, O I Morozova

    Klinicheskaia Meditsina
    |October 20, 2001
    PubMed

    Insights

    Late ventricular potentials (LVPs) indicate higher risk in ischemic heart disease (IHD) patients, particularly those with painless myocardial ischemia (PIMI). LVPs aid in identifying patients prone to dangerous arrhythmias and sudden cardiac death.

    Area of Science:

    • Cardiology
    • Electrophysiology

    Context:

    • Ischemic heart disease (IHD) presents with varied symptoms, including painless myocardial ischemia (PIMI) and painful myocardial ischemia (PMI).
    • Late ventricular potentials (LVPs) are subtle ECG abnormalities that may indicate underlying cardiac risk.
    • Differentiating risk stratification in IHD patients is crucial for preventing adverse cardiac events.

    Purpose:

    • To investigate the characteristics of late ventricular potentials (LVPs) in patients with painless myocardial ischemia (PIMI) versus painful myocardial ischemia (PMI).
    • To identify clinical and electrocardiographic predictors of adverse outcomes in patients with ischemic heart disease (IHD).

    Summary:

    • This study analyzed 113 ischemic heart disease (IHD) patients, comparing late ventricular potentials (LVPs) in painless myocardial ischemia (PIMI) and painful myocardial ischemia (PMI) groups.
    • Higher risk was associated with abnormal ECG, PIMI, prolonged ischemic periods (>70 min/24h), and significant ST depression.
    • Patients with LVPs experienced PIMI more frequently, and prolonged ischemic episodes/ST depression were common in those with slow fragmental activity.

    Impact:

    • Holter ECG monitoring and LVPs assessment help determine the functional status of IHD patients.
    • This evaluation facilitates the identification of high-risk individuals susceptible to life-threatening arrhythmias and sudden cardiac death.
    • The findings support improved risk stratification and personalized management strategies for IHD patients.

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