An FBC not only tests for disorders and abnormalities of the blood but, as blood travels throughout the whole body, it can give an indication of disease present in other organs. An FBC, as the name suggests, is used to obtain a count of the blood cells in the sample of blood taken.
Flecainide is a sodium channel blocker used mainly in the treatment of supraventricular arrhythmias. Central nervous system side effects such as dizziness, visual disturbances, headache and nausea are commonly associated with flecainide, but severe central nervous system toxicity is rare.
Dihydropyridine calcium-channel blockers. These include amlodipine, felodipine, lacidipine, lercanidipine, nicardipine, nifedipine and nimodipine. These have more effect on relaxing blood vessels and less effect on relaxing the heart muscle than verapamil or diltiazem. Most are used to treat high blood pressure or angina.