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
Diagnosis of Coronary Stenosis with CT Angiography (09/02/2011) tachycardia (09/02/2011) Calcium Boosts Heart Attack Risk (10/01/2011) Acute Pericarditis (25/12/2010) RESTRICTIVE CARDIOMYOPATHY (25/12/2010) Swan-Ganz catheterization (25/12/2010) Tricuspid Regurgitation (25/12/2010) Tricuspid stenosis (25/12/2010) Aortic regurgitation (25/12/2010) Aortic Stenosis (25/12/2010)
Diagnosis of Coronary Stenosis with CT Angiography (09/02/2011) tachycardia (09/02/2011) Calcium Boosts Heart Attack Risk (10/01/2011) Acute Pericarditis (25/12/2010) RESTRICTIVE CARDIOMYOPATHY (25/12/2010) Swan-Ganz catheterization (25/12/2010) Tricuspid Regurgitation (25/12/2010) Tricuspid stenosis (25/12/2010) Aortic regurgitation (25/12/2010) Aortic Stenosis (25/12/2010)
