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心肌灌注显像~(201)铊显像技术 ~(201)铊显像主要与平板或踏车运动联合使用.在症状限制的终点,如出现心绞痛、气短、疲劳、下肢跛行和低血压时,由静脉套管注入铊2.0mci(毫居里).既使患者无症状当心电图ST段压低>3.0mm时也常注入~(201)铊.注射后鼓励患者继续运动30～45秒,以保证心肌最初的摄取相能反映运动高峰的灌注图形.运动停止后5～10分钟,患者置于闪烁摄相机下,在前位、左前斜45°、70°投照显像.每帧显像收集有预定时间,典型的在8分钟周期内收集40万计数.
Myocardial perfusion imaging ~ (201) thallium imaging technology ~ (201) thallium imaging is mainly used in combination with treadmill exercise or treadmill.At the end of symptom limits, such as angina pectoris, shortness of breath, fatigue, lower extremity claudication and hypotension, Injecting thallium 2.0mci from intravenous cannula (thallium) is often infused even if the patient is asymptomatic when electrocardiographic ST segment depression is> 3.0mm. Patients are encouraged to continue their exercise for 30-45 seconds after injection to ensure The initial uptake of myocardium reflects the perfusion pattern at the peak of the exercise.After 5 to 10 minutes from the end of the exercise, the patient is placed under a flicker camera and illuminated at anterior, left anterior oblique 45 °, 70 ° imaging. With a scheduled time, typically 400,000 counts are collected over an 8 minute period.