Myocardial Na+ channel blockade by lignocaine has the following characteristic:

Related MCQs

• The antiarrhythmic drug which decreases both rate of depolarization (phase 0) as well as rate of repolarization (phase 3) of myocardial fibres is:
• The short acting dihydropyridine preparations can aggravate myocardial ischaemia by invoking:
• The characteristic feature(s) of dihydropyridine calcium channel blockers is/are:
• Which of the following drugs is a potassium channel opener?
• Select the drug which is a potassium channel opener as well as nitric oxide donor:
• Though nitrates and calcium channel blockers are both vasodilators, they are used concurrently in angina pectoris, because:
• The following antiarrhythmic drug has the most prominent anticholinergic action:
• The following drug is used to reduce the frequency of angina pectoris as well as to terminate an acute attack:
• Blood flow in the following vascular bed generally decreases under the influence of glyceryl trinitrate:
• Glyceryl trinitrate is administered by the following routes except: