Instructions for performing Breath Hold test.

Supplies Needed:

• Timer

Steps:

This test is done 2 hours after a meal.

1. Take 3 deep breaths, in & out and have your timer in hand and ready to start.

2. On your 4th breath take a deep breath in and then start the timer.

3. Hold breath for as long as it's comfortable. Once you can't hold it anymore stop the timer and exhale.