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Ideally, the anesthetist should take a full history and examine each patient, but for the reasons already identified this is seldom possible. This section concentrates on features of particular relevance to the anesthetist.
理想的状况是麻醉医生应该充分了解患者病史并检查每一位患者，但是由于一些已知的原因却很难做到这一点。本部分将集中探讨与麻醉医生相关的方面。

lyb840412

Patients with a proven history of myocardial infarction are at a greater risk of perioperative reinfarction, the incidence of which is related to the time interval between infarct and surgery. Elective surgery should be postponed until at least 6 months after the event. Untreated or poorly controlled hypertension (diastolic consistently >110 mmHg ) may lead to exaggerated cardiovascular responses during anesthesia. Both hypertension and hypotension can be precipitated which increase the risk of myocardial ischaemia. Heart failure will be worsened by the depressant effects of anesthetic drugs on the heart, thereby impairing the perfusion valves may be on anticoagulants. These may need to be stopped or changed prior to surgery. Antibiotic prophylaxis will be required during certain types of surgery.

lyb840412

Patients with a proven history of myocardial infarction are at a greater risk of perioperative reinfarction, the incidence of which is related to the time interval between infarct and surgery. Elective surgery should be postponed until at least 6 months after the event. Untreated or poorly controlled hypertension (diastolic consistently >110 mmHg ) may lead to exaggerated cardiovascular responses during anesthesia. Both hypertension and hypotension can be precipitated which increase the risk of myocardial ischaemia. Heart failure will be worsened by the depressant effects of anesthetic drugs on the heart, thereby impairing the perfusion valves may be on anticoagulants. These may need to be stopped or changed prior to surgery. Antibiotic prophylaxis will be required during certain types of surgery.
发生过心肌梗塞的病人有很大危险在术中发生在梗塞。择期手术应在心肌梗塞6个月后施行。在麻醉过程中，无治疗或者控制差的高血压（舒张压>110mmHg）或者低血压可能会导致循环大的波动。高血压和低血压均会增加心衰的危险性。心衰将会使得麻醉药在心脏的作用，减少心肌供血。以上的情况必须在术前纠正。预防性应用抗生素是必须的。