Posted by: Johnson Francis on: 02 Nov, 2008
Arrhythmias after cardiac surgery is a major cause of morbidity and mortality, more so following surgery for congenital heart disease. Tolerability of arrhythmia is less in the postoperative period than for similar arrhythmia in the preoperative period. Hemodynamic instability is more likely due to the possibility of myocardial dysfunction. Cardiopulmonary bypass, injury to the conduction [...]
Posted by: Johnson Francis on: 28 Sep, 2008
What is the role of beta blockers in heart failure? Traditionally it is thought that sympathoadrenergic system activation is compensatory in heart failure. This is true in acute heart failure. But in chronic heart failure, sympathoadrenergic system becomes counter productive and maladaptive. It increases the afterload and myocardial cell necrosis as well down regulation of [...]
Tags:
beta blocker,
cardiac resynchronizaton therapy,
Heart failure,
Hypotensive ventricular tachycardia,
ICD,
implantable cardioverter defibrillator,
Intraventricular dyssynchrony,
metoprolol succinate,
metoprolol tartarate,
Starlings law of the heart,
sudden cardiac death
