DIGOXIN

What this test checks

Measures digoxin, a medicine used for heart failure and certain irregular heartbeats. Dose must be precise.

Why do people get this test?

Done to make sure the level is therapeutic — neither too low to help, nor toxic.

When you should consider this test

• On digoxin therapy
• Side effects like nausea or vision changes
• Dose change recently

How to prepare

Sample should be taken at least 6 hours after your last dose.