文档介绍：心电图阅读的基础与方法
①心率 ②节律
③间期 ④电轴
⑤肥大 ⑥梗死
⑦临床相关性
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1912年,Cambridge Instrument
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心电图的地位与作用
病史
体检
辅助检查
三大常规、肝肾功能、X线、超声、心电图
1、识别各种心律失常（最有价值）
2、辅助诊断心房、心室肥大
3、反映心肌缺血、心肌梗死
4、心电监护
5、了解药物的疗效及对心肌的影响
6、辅助诊断电解质代谢紊乱
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心电图阅读的基本问题
正常心电图 ？ 异常心电图？
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正常心电图
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异常心电图
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Basic Competency in Electrocardiography
(Modified from: ACC/AHA Clinical Competence Statement, JACC 2001;38:2091)
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NORMAL TRACING
Normal ECG
TECHNICAL PROBLEM
Lead misplaced
Artifact
SINUS RHYTHMS/ARRHYTHMIAS
Sinus rhythm (50-90 bpm)
Sinus tachycardia (>90 bpm)
Sinus bradycardia (<50 bpm)
Sinus Arrhythmia
Sinus arrest or pause
Sino-atrial exit block
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OTHER SV ARRHYTHMIAS
PAC's (nonconducted)
PAC's (conducted normally)
PAC's (conducted with aberration)
Ectopic atrial rhythm or tachycardia (unifocal)
Multifocal atrial rhythm or tachycardia
Atrial fibrillation
Atrial flutter
Junctional prematures
Junctional escapes or rhythms
Accelerated Junctional rhythms
Junctional tachycardia
Paroxysmal supraventricular tachycardia
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VENTRICULAR ARRHYTHMIAS
PVC's
Ventricular escapes or rhythm
Accelerated ventricular rhythm
Ventricular tachycardia (uniform)
Ventricular tachycardia (polymorphous or torsades)
Ventricular fibrillation
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