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.
Common types of tachycardia include: 1  Atrial fibrillation. Atrial fibrillation is a rapid heart rate caused by chaotic, irregular electrical impulses in the upper chambers of the heart (atria). 2  Atrial flutter. In atrial flutter, the heart's atria beat very fast but at a regular rate. 3  Supraventricular tachycardia (SVT).