Class II of the antiarrhythmics comprises the beta blockers.
Class II drugs are useful in preventing the arrhythmias caused by myocardial ishcaemia, where this has resulted in an ectopic focus. They reduce oxygen consumption, having an anti-ischaemic effect.
Add information to this page that would be handy to have on hand during a consultation, such as a web address or phone number. This information will always be displayed when you visit this page