Paul Stanley, a singer and guitarist with rock band Kiss, was forced to pull out of a show in California on Friday after his heart started beating at more than twice the normal level, he said on his Web site.The apparent tachycardia happened while the band was rehearsing for a performance at a casino in San Jacinto, California, about 90 miles east of Los Angeles. "My heart spontaneously jumped to 190 plus beats per minute, where it stayed for over an hour necessitating paramedics to start an IV and give me a shot to momentarily stop my heart and get it into a normal pattern," Stanley, 55, wrote on his site http://www.paulstanley.com . A normal heart rate at rest is about 60 to 80 beats a minute, according to the American Heart Association.Tachycardia, or rapid heart rate, can cause palpitations, shortness of breath, chest pain, dizziness, hotheadedness's, fainting or near fainting, the group said on its Web site http://www.americanheart.org . Stanley said he was advis...