Regional Medical Laboratory

For collection information refer to this test in the Test Directory.

Testing Procedure
1. Collect a baseline lactate and ammonia level. (4.5 green and 4 ml gray on ice). Label with patient’s name.
2. Obtain patient’s blood pressure.
3. Inflate the blood pressure cuff 20 mmHg above systolic pressure for 90 seconds. During this 90 second period, patient exercises forearm by squeezing a ball.
4. Collect a lactate and ammonia level 1 minute after the forearm exercise is completed. Place on ice.
5. Collect a lactate and ammonia level 3 minutes after the forearm exercise is completed. Place on ice.
6. Collect a lactate and ammonia level 5 minutes after the forearm exercise is completed. Place on ice.
7. Collect a lactate and ammonia level 10 minutes after the forearm exercise is completed. Place on ice.