Classification of arrhythmias(心律失常分类) Overview(概述 *According to mechanisms of arrhythmogenesis they are classified as abnormal source of pulse formation and abnormalities of pulse conduction (根据心律失常发生的不同机制,将其分为冲动形成异 常和冲动传导异常两大类)。 ☆Abnormal source of pulse formation(冲动形成异常): ●Sinus arrhythmias(窦性心律失常): O Sinus tachycardia(窦性心动过速); ○ Sinus bradycardiat(窦性心动过缓); ○ Sinus irregularity(窦性心律不齐); Sinus cardiac arrest(窦性停搏)
6 ★ According to mechanisms of arrhythmogenesis , they are classified as abnormal source of pulse formation and abnormalities of pulse conduction (根据心律失常发生的不同机制,将其分为冲动形成异 常和冲动传导异常两大类) 。 ☆ Abnormal source of pulse formation(冲动形成异常): ● Sinus arrhythmias(窦性心律失常): ○ Sinus tachycardia(窦性心动过速); ○ Sinus bradycardia(窦性心动过缓); ○ Sinus irregularity(窦性心律不齐); ○ Sinus cardiac arrest(窦性停搏)。 Classification of arrhythmias(心律失常分类) Overview(概述)
Classification of arrhythmias(心律失常分类) Overview(概述 ☆Abnormal source of pulse formation(冲动形成异常): Ectopic rhythms(异位心律): Passive ectopic rhythms(被动性异位心律): Escape beats (atrial,junctional ventricular) 逸搏(房性、结性、室性); Escape rhythms (atrial,junctional,ventricular) 逸搏心律(房性、结性、室性); Active ectopic rhythms(主动性异位心律): O Premature systole (atrial,junctional ventricular) 期前收缩或过早搏动(房性、结性、室性); O Paraxysmal tachycardias (atrial,junctional 、 atrioventricular reentrant,:ventricular.)阵发性心动 过速(房性、结性、房室折返性、室性); O Flutter,fibrillation(扑动、颤动):房性、室性。 7
7 ☆ Abnormal source of pulse formation(冲动形成异常): ● Ectopic rhythms (异位心律) : ○ Passive ectopic rhythms(被动性异位心律): ◎ Escape beats(atrial, junctional 、ventricular) 逸搏(房性、结性、室性); ◎ Escape rhythms(atrial,junctional、ventricular) 逸搏心律(房性、结性、室性); ○ Active ectopic rhythms(主动性异位心律): ◎ Premature systole(atrial, junctional , ventricular) 期前收缩或过早搏动(房性、结性、室性); ◎ Paraxysmal tachycardias (atrial,junctional 、 atrioventricular reentrant,ventricular)阵发性心动 过速(房性、结性、房室折返性、室性); ◎ Flutter、fibrillation(扑动、颤动):房性、室性。 Classification of arrhythmias (心律失常分类) Overview(概述)
Classification of arrhythmias(心律失常分类) Overview(概 ☆Abnormalities of pulse conduction(冲动传导异常) ● Physiological(生理性): OInterference and atrioventricular dissociation (干扰和房室分离)。 Pathophysiological(病理性) Sino-atrial block(窦房传导阻滞); O Intra-atrial block(房内传导阻滞); Atria-ventricular block(房室传导阻滞); Branch block(束支或分支阻滞)或 Intraventricular block(室内阻滞)。 Abnormal AV connection-preexcitation syndrome (房室间传导异常一预激综合征)。 8
8 ☆ Abnormalities of pulse conduction (冲动传导异常) ● Physiological(生理性) : ○Interference and atrioventricular dissociation (干扰和房室分离)。 ● Pathophysiological(病理性): ○ Sino-atrial block(窦房传导阻滞); ○ Intra-atrial block(房内传导阻滞); ○ Atrial-ventricular block(房室传导阻滞); ○ Branch block (束支或分支阻滞 )或 Intraventricular block(室内阻滞 )。 ● Abnormal AV connection – preexcitation syndrome (房室间传导异常—预激综合征)。 Classification of arrhythmias (心律失常分类) Overview(概述)
Classification of arrhythmias(心律失常分类)》 Overview(概述 ★According to heart rate(根据心律快慢): ☆Tachydysrhythmias(快速性心律失常); ☆Bradydysrhythmias(缓慢性心律失常)。 9
9 ★ According to heart rate(根据心律快慢): ☆ Tachydysrhythmias(快速性心律失常); ☆ Bradydysrhythmias (缓慢性心律失常)。 Classification of arrhythmias(心律失常分类) Overview(概述)
Mechanisms of arrhythmogenesis(心律失常发生机制) Overview(概述为 Reentry-Most common mechanism of tachydysrhy- thmias (折返一快速性心率失常中最常见的发生机制); ★Increased automaticity(自律性增高); ★Triggered activity(触发活动。 0
10 ★ Reentry— Most common mechanism of tachydysrhythmias (折返—快速性心率失常中最常见的发生机制 ); ★ Increased automaticity(自律性增高); ★ Triggered activity(触发活动)。 Mechanisms of arrhythmogenesis (心律失常发生机制) Overview(概述)