https://www.usa.gov/copyrighted-government-workshttps://www.rawpixel.com/image/9647491Edit ImageSaveSaveEditCropCustom TextVital signs of a patient’s heart rate and rhythm are displayed during a mass casualty drill on June 18, 2021. (U.S. Marine Corps photo by Cpl. Karis Mattingly). Original public domain image from Flickr.MorePublic DomainFree CCO U.S. Government image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGBanner JPEG 1200 x 800 px | 300 dpiLarge JPEG 3500 x 2334 px | 300 dpiBest Quality JPEG 4213 x 2809 px | 300 dpiFree DownloadVital signs of a patient’s heart rate and rhythm are displayed during a mass casualty drill on June 18, 2021. (U.S. Marine Corps photo by Cpl. Karis Mattingly). Original public domain image from Flickr.More