Etafenone

Etafenone is a cardiac stimulant used in the treatment of angina pectoris. It is classified as an antiarrhythmic agent, and is also used to alleviate symptoms of cardiac arrhythmia. Etafenone works by improving the metabolic processes in the myocardium, thereby enhancing the heart's efficiency.

Mechanism of Action

Etafenone acts by inhibiting the sodium-potassium pump in the myocardial cells. This results in an increase in the intracellular concentration of calcium ions, which in turn enhances the contractility of the heart muscle. Additionally, Etafenone also has a vasodilatory effect, which helps to reduce the workload on the heart.

Indications

Etafenone is primarily used in the treatment of:

• Angina pectoris
• Cardiac arrhythmia

Side Effects

Like all medications, Etafenone can cause side effects. These may include:

• Nausea
• Vomiting
• Dizziness
• Headache
• Palpitations

Contraindications

Etafenone should not be used in patients with:

• Hypersensitivity to Etafenone
• Severe heart failure
• Cardiogenic shock
• Sick sinus syndrome without a pacemaker

Interactions

Etafenone may interact with other medications, including:

• Other antiarrhythmic agents
• Beta blockers
• Calcium channel blockers

See Also

• Antiarrhythmic agent
• Angina pectoris
• Cardiac arrhythmia

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