Sotalol: Effects and Side Effects

How does sotalol work? Sotalol is a so-called class III antiarrhythmic drug (= potassium channel blocker). It prolongs the electrical excitation (action potential) in the atria and ventricles of the heart by inhibiting the outflow of potassium ions from the heart muscle cells. Sotalol thereby prolongs the so-called QT interval. This interval in the ECG … Sotalol: Effects and Side Effects

Sotalol: Effects, Uses & Risks

Sotalol is a pharmacological agent that belongs to the beta-blocker category. The drug is primarily used for the treatment of cardiac arrhythmias. Sotalol is a special beta-blocker that does not have a phenol ether structure. In its structure, the substance also resembles beta-isoprenaline. What is sotalol? The drug sotalol is among those beta-blockers that are … Sotalol: Effects, Uses & Risks

Prolongation of the QT Interval

Symptoms Drug-induced prolongation of the QT interval can rarely lead to severe arrhythmias. This is polymorphic ventricular tachycardia, known as torsade de pointes arrhythmia. It can be seen on the ECG as a wave-like structure. Due to the dysfunction, the heart cannot maintain blood pressure and can only pump insufficient blood and oxygen to the … Prolongation of the QT Interval

Antiarrhythmics

Indications For the treatment of cardiac arrhythmias. Active ingredients Class I (sodium channel blockers): class IA: Ajmaline (off-label). Quinidine (out of trade) Procainamide (out of commerce) Class IB: Lidocaine Phenytoin (not approved for this indication in many countries). Tocainide (not commercially available in many countries). Mexiletine (not on sale in many countries). Class IC: Encainid … Antiarrhythmics

Beta Blocker Effects and Side Effects

Products Beta-blockers are available in many countries in the form of tablets, film-coated tablets, sustained-release tablets, as capsules, solution, eye drops, and as injection and infusion solutions. Propranolol (Inderal) was the first representative of this group to appear on the market in the mid-1960s. Today, the most important active ingredients include atenolol, bisoprolol, metoprolol and … Beta Blocker Effects and Side Effects

Enantiomers

Introductory question How much active ingredient is in a 10 mg cetirizine tablet? (a) 5 mg B) 7.5 mg C) 10 mg The correct answer is a. Image and mirror image Many active pharmaceutical ingredients exist as racemates. They consist of two molecules that behave like an image and mirror image of each other. These … Enantiomers

Sotalol

Products Sotalol is commercially available in tablet form (generic). It has been approved in many countries since 1980. The original Sotalex is out of commerce. Structure and properties Sotalol (C12H20N2O3S, Mr = 272.4 g/mol) is present in drugs as sotalol hydrochloride, a racemate and white powder that is readily soluble in water. Sotalol is a … Sotalol

Ranolazine

Products Ranolazine is commercially available in the form of sustained-release tablets (Ranexa). It was approved in the United States as early as 2006, in the EU in July 2008, and in many countries in April 2010. Structure and properties Ranolazine or ()–(2, 6-dimethylphenyl)-4(2-hydroxy-3-(2-methoxyphenoxy)-propyl)-1-piperazine acetamide (C24H33N3O4, Mr = 427.54 g/mol) is a piperazine derivative and a … Ranolazine