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# Coronary arterial anatomy 最重要的冠状动脉是左冠状动脉主干或左主干（LMS/LMCA），呈 C 形的供应下壁和右室血液的右冠状动脉。 左主干很快又分支成了两个血管：左前降支（LAD）和回旋支（LCA），LAD 供应了 60% 的心肌。 Sternocostal surface 胸肋面观 Sinuatrial (SA ) nodal branch 窦房结支 Atrial branch 房支 RCA: Right coronary artery 右冠状动脉 Anterior cardiac veins 心前静脉 Small cardiac...
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# Reviews The value of the expression 17 % 7 is 3. Suppose that x is an non-negative integer variable. Determine the truth value of each of the following expressions. a. (x >= 0) or (x == 0) b. (x > 0) and (x == 0) Suppose x is 5 and y is 7 . Choose the value of the following...
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Easy to get a quick measurement Very easy to make a sizeable mistake The trick is to know when a technique cannot be used. 诀窍是知道什么时候不能使用某项技术。 # Anatomy Inlet, apical trabecular and outlet portion 入口、心尖肌小梁 / 肉柱和出口部分 These portions do not have discrete borders 这三个部分没有明确的界限；因此超声测量中用到的 Simpson...
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# Evaluation of the Left Ventricle # Fractional shortening FS 短轴缩短率 / 缩短分数 EDD: end diastolic diameter 舒张末期内径 ESD: end systolic diameter 收缩末期内径 EF: ejection fraction 射血分数 RVOT: right ventricular outflow tract 右室流出道 IVS: interventricular septum 室间隔 LVIDd: left ventricular internal diameter at...
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# 2D and M mode Echocardiography # 2D echocardiography 最常用的成像模式 Real time views of the heart in motion 心脏运动的实时视图 Morphology and functional assessment 形态学和功能评估 Guides other modes e.g. M mode 引导其他模式，例如 M 模式 Electrocardiogram(ECG) gated clips stored 存储心电门控剪辑 Frozen images for measurement on or...
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# Learning Objectives Basics of Ultrasound 超声波基础知识 M-mode 2D imaging Continuous doppler Pulse wave doppler Colour flow doppler Tissue doppler imaging Artefact 伪像 / 伪影 Bubble, contrast and stress echo. 震荡生理盐水，超声增强剂成像和负荷超声心动图 # Properties of Ultrasound Waves 超声波的特性 Frequency 频率 Number of cycles per...
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# Reviews What are the data items in the list called? data elements items values Which list will be referenced by the variable number after the execution of the following code? number = range(0, 9, 2) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] [1, 3, 5, 7, 9] [2, 4, 6, 8] [0, 2, 4, 6, 8] What would you use...