Rythmol SR

Definition

Rythmol SR is an extended-release formulation of propafenone, a Class Ic sodium channel blocker used to treat certain types of serious irregular heartbeats (arrhythmias). It works by stabilizing the cardiac cell membrane and reducing excitability.

5 Must Know Facts For Your Next Test

1. Rythmol SR is primarily used for the treatment of atrial fibrillation and life-threatening ventricular arrhythmias.
2. The drug works by inhibiting the fast sodium channels in the heart, which helps to normalize the rhythm.
3. Common side effects include dizziness, taste changes, and gastrointestinal disturbances.
4. Rythmol SR is contraindicated in patients with uncontrolled heart failure or significant electrolyte imbalances.
5. Patients taking Rythmol SR should be monitored for signs of worsening arrhythmia or other cardiac events.

Review Questions

• What type of arrhythmias is Rythmol SR commonly used to treat?
• How does Rythmol SR achieve its anti-arrhythmic effects at the cellular level?
• What are some notable side effects and contraindications associated with Rythmol SR?

Related terms

Atrial Fibrillation:

A common type of arrhythmia that involves irregular and often rapid heart rate.

Sodium Channel Blockers:

A class of medications that inhibit sodium influx in cardiac cells, stabilizing the cell membrane.

Propafenone:

The active ingredient in Rythmol SR, classified as a Class Ic antiarrhythmic agent.