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相关概念视频

Increased Body Temperature01:25

Increased Body Temperature

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A body temperature above  38°C  (100.4 °F) is known as fever or pyrexia, and a person with fever is termed 'febrile.' Typically, the hypothalamus, a part of the brain that acts as the body's thermostat, regulates body temperature through a thermoregulatory setpoint. It receives signals from cold and warm thermal receptors throughout the body and adjusts the body's temperature accordingly. Fever occurs when this hypothalamic setpoint is altered, usually in...
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Hyperthyroidism I: Introduction01:25

Hyperthyroidism I: Introduction

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Hyperthyroidism is a type of thyrotoxicosis characterized by the thyroid gland's overproduction of the thyroid hormones triiodothyronine (T3) and thyroxine (T4). This hormone excess increases the basal metabolic rate and enhances sensitivity to catecholamines.DiagnosisDiagnosis is based on clinical features and biochemical testing. It typically shows suppressed thyroid-stimulating hormone (TSH) levels below 0.4 mIU/L, with elevated free T3 and/or T4. Additional tests, including thyroid...
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Protocol for Long Duration Whole Body Hyperthermia in Mice
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恶性高温症:关于敏感性测试的最新情况

Ronald S Litman1, Henry Rosenberg

  • 1Department of Anesthesiology and Critical Care Medicine, The Children's Hospital of Philadelphia, University of Pennsylvania School of Medicine, Philadelphia, PA 19104, USA. Litmanr@email.chop.edu

JAMA
|June 16, 2005
PubMed
概括

恶性高温症 (MH) 是一种遗传性疾病,在暴露于麻醉剂时引起高代谢危机. 识别氨酸受体基因 (RYR1) 中的突变为MH易感性提供了新的诊断方法.

科学领域:

  • 麻醉学 麻醉学
  • 遗传学 是一个遗传学.
  • 药理学 药理学是指药理学的学科.

背景情况:

  • 恶性高温症 (MH) 是一种药物遗传性疾病,导致高代谢危机.
  • 临床表现包括肌肉刚性,酸症,心跳缓和和高温症.
  • 这种状况是由于质网膜中异常释放的产生的,通常是由于赖诺丁受体基因 (RYR1) 的遗传突变.

研究的目的:

  • 调查瑞诺丁受体 (RYR1) 基因突变在恶性高温症 (MH) 易感性中的作用.
  • 探索突变分析作为MH的诊断工具.

主要方法:

  • 对恶性高温症 (MH) 和氨酸受体 (RYR1) 基因突变的现有研究进行审查.
  • 讨论当前黄金标准诊断试验 (咖啡因 - 哈洛合约试验) 的局限性.

主要成果:

  • 瑞诺丁受体 (RYR1) 突变在北美至少25%的MH易感个体中被发现.
  • 在美国,RYR1基因的突变分析已经可用.

结论:

  • RYR1基因突变分析正在成为诊断恶性高温症 (MH) 易感性的宝贵工具.
  • 基因检测提供了一个有希望的替代品或对侵入性诊断方法的补充.

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