Email. Relatives of some of those who died on United Airlines Flight 93 during the Sept. 11 attacks say their family members are still heroes, even if an FBI report that claims the terrorist hijackers deliberately crashed the jetliner into a Pennsylvania field before passengers could seize control is true.he voice recording of the flight's final minutes tells her there was a passenger struggle before the crash, she said. It was the last five to seven minutes of the cockpit voice recording that would convince any rational person that yes, indeed, the passengers did make it into the cockpit, she said.
Atrial tachycardia means that the upper chambers of the heart are beating abnormally fast. Paroxysmal atrial tachycardia can occur without any heart disease being present. It is usually more annoying than dangerous.
Supraventricular tachycardia (SVT) is an abnormally fast heart rhythm arising from improper electrical activity in upper part of the heart. There are four main types: atrial fibrillation, paroxysmal supraventricular tachycardia (PSVT), atrial flutter, and Wolff-Parkinson-White syndrome.