Health encyclopaedia - Alphabetical Topic List健康百科全书-按字母顺序排列的主题清单

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Diagnosis of Fainting诊断昏厥

You faint when a drop in blood pressure prevents the brain getting enough oxygen.你晕倒时下降，血压，防止脑获得足够的氧气。 By falling to the floor, the head is at the same level as the heart, which enables more blood to get to the brain.高空掷在地上，头部是处于同一水平的核心，从而使更多的血液进入大脑。 Most people return to normal fairly quickly after fainting, and further investigation by your GP is usually only necessary in the following cases:大多数人都恢复正常较快后，昏厥，并进一步调查你的家庭医生通常只是必要在下列情况下：

  • if the faint followed a fall from a height, especially if there is also injury or bleeding;如果微弱的下降，其次是从高处，尤其是如果有，也损伤或出血;
  • if consciousness is not quickly regained (within a couple of minutes);如果意识是不是很快苏醒（一，两分钟） ;
  • if you are pregnant or over 50 years old;如果您正在怀孕或超过50岁;
  • if you have diabetes;如果你有糖尿病;
  • if you feel chest pain or discomfort, pounding or irregular heartbeat;如果您觉得胸部疼痛或不适，冲击或心率不齐;
  • if you have loss of speech, visual disturbances, or inability to move one or more limbs; or如果你有损失的言论，视力障碍，或无法提出一个或多个肢体;或
  • if you have convulsions, or loss of bowel control.如果您有抽搐，或损失的肠易激控制。

Even if it is not an emergency situation, you should consult your GP if you have never fainted before, if you are fainting frequently, or if you have new symptoms associated with fainting.即使是不紧急的情况下，你应征询你的家庭医生，如果你从来没有晕倒之前，如果你是经常昏厥，或如果您有新的症状与昏厥。 Your GP will ask you about the symptoms you felt when you fainted, what you were doing beforehand, and how quickly you regained consciousness.你的家庭医生会问你有关的症状，你觉得当你晕倒，你正在做的事前，以及如何迅速你恢复意识。 It may be helpful if a friend can provide an eye witness account of the event.它可能会有帮助，如果朋友可以提供一个目击者帐户的活动。

Your GP will also need to know about any medication you are taking.Your GP may wish to carry out a physical examination, which will focus on your heart, lungs, and nervous system.你的家庭医生也将需要知道任何药物，你是taking.your大奖赛不妨进行一次身体检查，其重点将是您的心脏，肺，中枢神经系统。 Your blood pressure will be measured, sometimes in several places, to find out if it is equal in all parts of the body.你的血液将面临更大的压力来衡量，有时甚至在几个地方，看看是否是平等的所有身体部分。 Your heart may be examined with a stethoscope to listen for sounds that can indicate valve abnormalities.您的心脏可能会研究与听诊器听为声音，可以显示阀异常。 Examination of the nervous system for reflexes can detect conditions of the nerves and brain.考试的中枢神经系统，为反射，可以检测条件的神经和大脑。

Depending on whether there are other symptoms, you may be admitted to hospital for further tests.视乎是否有其他症状，您可能会承认医院作进一步测试。 These may include a chest X-ray, an electrocardiogram (ECG) to record the electrical activity of the heart, or an echocardiogram (ultrasound of the heart).这些可能包括胸部X光，心电图（心电图） ，以记录电活动的心，或一超声心动图（超声心脏） 。