МЕТОДОЛОГИЧЕСКИЕ ПОДХОДЫ К ИЗМЕРЕНИЮ И ОЦЕНКЕ ДЛИТЕЛЬНОСТИ ИНТЕРВАЛА QT СТАНДАРТНОЙ ЭЛЕКТРОКАРДИОГРАММЫ



DOI: http://dx.doi.org/10.25298/2221-8785-2019-17-1-99-105


Л. В. Колоцей (L. V. Kalatsei), В. А. Снежицкий (V. A. Snezhitskiy)

Аннотация


Интерпретация каждой электрокардиограммы должна включать измерение и оценку интервала QT, как увеличение, так и уменьшение продолжительности которого ассоциировано с риском возникновения жизнеугрожающих желудочковых аритмий и внезапной сердечной смерти. В настоящей статье отражены методологические подходы к определению, измерению и оценке длительности интервала QT, рассмотрен характер его зависимости от пола, возраста и частоты сердечных сокращений у пациента, а также описан ряд показателей, вычисляемых на его основе. На основании проведенного анализа литературы сформулированы рекомендации по измерению и оценке интервала QT стандартной электрокардиограммы.

Ключевые слова


интервал QT, корригированный интервал QT, дисперсия интервала QT, вариабельность интервала QT

Полный текст:

Литература


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