Tachyarrhythmias
Tachyarrhythmias : cardiac rhythms whose ventricular rate >100 bpm)
Categories
- Narrow complex tachycardias (supraventricular tachycardias): QSR<120ms
o Sinus tachycardias & sinus arrhythmias.
o Paroxysmal tachycardia
o Atrial fibrillation
o Atrial flutter.
- Wide complex tachycardias (ventricular tachycardias) QRS >120ms.
o Ventricular tachycardias.
o Torsades de pointes
o Ventricular fibrillation.
Mechanisms: reentrant mechanisms(majority), enhanced automaticity, triggered activity.
Symtoms: palpitations, chest pain, lightheadedness, shortness of breath, syncope.
Diagnostic tools: 12-lead ECG, continuous ambulatory ECG, event recorder, exercise ECG, EPS, others.
Treatment: medication, automatic ICD & catheter ablation.
Đăng bởi:
ycantho - Ngày đăng:
21/12/2010
Các thông tin khác
Etiologies of dilated cardiomyopathy (25/12/2010) Heart Failure (25/12/2010) Systolic dysfunction (25/12/2010) Myocarditis (21/12/2010) Ischemic cardiomyopathy (21/12/2010) Myocardial infarction (21/12/2010) Echocardiography in CHF (21/12/2010) Cardiac marker (21/12/2010) Calcium channel blocker (21/12/2010) Why don’t Veins develop atheromata? (21/12/2010)
Etiologies of dilated cardiomyopathy (25/12/2010) Heart Failure (25/12/2010) Systolic dysfunction (25/12/2010) Myocarditis (21/12/2010) Ischemic cardiomyopathy (21/12/2010) Myocardial infarction (21/12/2010) Echocardiography in CHF (21/12/2010) Cardiac marker (21/12/2010) Calcium channel blocker (21/12/2010) Why don’t Veins develop atheromata? (21/12/2010)
THÔNG TIN TIÊU ĐIỂM
