新孵化的阿佩雷马龟（达丁，1801年）温度变化引起的心电图变化
Electrocardiographic changes induced by temperature variations in newly hatched Aperema ( Daudin, 1801).
作者信息
Cardoso Deise de Lima, Braga Brenda Stefany Dos Santos, de Araújo Daniella Bastos, da Paz Clarissa Araújo, Eiró-Quirino Luciana, Reis Thaysa de Sousa, de Souza Luana Vasconcelos, Ferreira Rayllan da Cunha, Barbosa Gabriela Brito, de Souza Raíssa Vieira, Deiga Yris da Silva, Hamoy Maria Klara Otake, Guimarães Diva Anelie de Araújo, Hamoy Moisés
机构信息
Laboratory of Animal Reproduction, UFPA-ICB, Belém, Brazil.
Post-Graduate Program in Animal Science, UFPA, Belém, Brazil.
出版信息
Front Vet Sci. 2025 Feb 11;12:1516112. doi: 10.3389/fvets.2025.1516112. eCollection 2025.
INTRODUCTION
Aperema () is a South American semi-aquatic freshwater turtle characterized by a highly curved, dark brown to black carapace and is distributed across Central and South America. Climate change affects freshwater turtles in a number of ways, including temperature, hatchling sex, and survival.
METHODS
Therefore, we analyzed temperature variations in these turtles through electrocardiographic recordings, since studies on temperature variations in are limited.
RESULTS AND DISCUSSION
Electrocardiography (ECG) is a highly relevant diagnostic tool as it allows for precise assessments of cardiac events and is non-invasive. The development of non-invasive ECG measurement methods is crucial for evaluating and maintaining the health of chelonian individuals during veterinary treatment or experimental procedure. Our findings revealed that heart rate is temperature-dependent, showing that lower environmental temperatures result in decreased heart rates. Therefore, we demonstrated through the electrocardiographic patterns observed during the experiment that a reduction in the ambient temperature to which are exposed can modulate the conductivity and automaticity of cardiac cells, subsequently leading to a decrease in heart rate.
引言
阿佩雷玛龟（Aperema ）是一种南美洲半水生淡水龟，其特征是背甲高度弯曲，呈深棕色至黑色，分布于中美洲和南美洲。气候变化以多种方式影响淡水龟，包括温度、幼龟性别和生存。
方法
因此，由于对阿佩雷玛龟温度变化的研究有限，我们通过心电图记录分析了这些龟的温度变化。
结果与讨论
心电图（ECG）是一种高度相关的诊断工具，因为它可以精确评估心脏事件且是非侵入性的。非侵入性心电图测量方法的发展对于在兽医治疗或实验过程中评估和维持龟类个体的健康至关重要。我们的研究结果表明心率与温度有关，表明较低的环境温度会导致心率下降。因此，我们通过实验中观察到的心电图模式证明，阿佩雷玛龟所接触的环境温度降低会调节心脏细胞的传导性和自律性，进而导致心率下降。
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