⑧ 上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 Heterogeneous APs in heart Action Potentials SA Node Atrial Muscle A-V Node His Bundle HB Branches Purkinje Fibers Ventricular Muscle QRS 0.2 0.4s 0.6
Heterogeneous APs in heart
上游充通大 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 NANGHALJIAO TONG OS INa/Ca ICa(L) If. Ik Ica(T) Currents underlying depolarization in SA nodal cells
（Currents underlying depolarization in SA nodal cells ）
上降充通大警 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 Cardiac arrhythmias Tachy-cardiac arrhythmias -Atrial-premature beats -Atrial flutter -Atrial fibrillation (AF) -Ventricular-premature beats (contractions) -Ventricular-tachycardia (VT) -Ventricular fibrillation (VF) Brady-cardiac arrhythmias -Bundle branch blocks -Sinus bradycardia(Sick Sinus Syndrome)
Cardiac arrhythmias Tachy-cardiac arrhythmias -Atrial-premature beats -Atrial flutter -Atrial fibrillation (AF) -Ventricular-premature beats (contractions) -Ventricular-tachycardia (VT) -Ventricular fibrillation (VF) Brady-cardiac arrhythmias -Bundle branch blocks -Sinus bradycardia (Sick Sinus Syndrome)
上游充通大 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 Mechanisms of Arrhythmias 易 Disturbance of impulse formation Disturbance of impulse conduction ●both AO TONG UNI
Mechanisms of Arrhythmias Disturbance of impulse formation Disturbance of impulse conduction both
上浒充通大学 SHANGHAI JIAO TONG UNIVERSITY 1896 1920 1987 2006 Mechanisms of Arrhythmias Abnormal automaticity n SHANGHAI JIAO T、 INa/Ca ca() Ik Ica(T)
Mechanisms of Arrhythmias Abnormal automaticity