What does this research mean for the field?

Mathematical models incorporating regional heterogeneity of the rabbit sinoatrial node accurately reproduce the distinct action potential characteristics of the central and peripheral regions, as well as their specific responses to ion channel blockade and propagation behaviors. Novelty: ClaimNovelty.METHODOLOGICAL. Consensus alignment: ConsensusAlignment.NEUTRAL.

July 1, 2000AJP Heart and Circulatory Physiology

Mathematical models of action potentials in the periphery and center of the rabbit sinoatrial node

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Population

Mathematical models of the action potential in the periphery and center of the rabbit sinoatrial node based…

Comparison

Simulation of action potentials, regional… vs Published experimental data from rabbit SA node…

Design

Preclinical

Authors

HZHui ZhangTongji University AHArun V. HoldenUniversity of Leeds IKI. KodamaNational Institute of Technology, Tokyo College

Discussion

Member takes

Implication

Validates rabbit SA node model for in silico pacemaking studies; leaves open human translation.

Structured PICO

Population

Mathematical models of the action potential in the periphery and center of the rabbit sinoatrial (SA) node based on published experimental data

Intervention

Simulation of action potentials, regional heterogeneity, and response to ion channel block (Na+, Ca2+, K+, and hyperpolarization-activated currents)

Comparator

Published experimental data from rabbit SA node tissue

Outcome

Action potential characteristics (takeoff potential, upstroke, peak value, repolarization, amplitude, duration, maximum diastolic potential) and propagation speedsurrogate

Mathematical models of the rabbit SA node accurately simulate regional action potential heterogeneity and propagation, providing a computational tool for studying cardiac pacemaking.

Cite This Study

Zhang et al. (2000) studied this question.

synapsesocial.com/papers/6a1e01fb348274ea529fbe68 https://doi.org/10.1152/ajpheart.2000.279.1.h397

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Mathematical models of action potentials in the periphery and center of the rabbit sinoatrial node

Discussion

Member takes

Implication

Structured PICO

Cite This Study

Mathematical models of action potentials in the periphery and center of the rabbit sinoatrial node

Discussion

Member takes

Implication

Structured PICO

Cite This Study

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