Vital capacity (VC)

Vital capacity (VC) measures the amount of air you can exhale after inhaling as deeply as possible. It is one of many lung function tests.

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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