Dysrhythmias, including unexplained tachycardia, atrial fibrillation, premature ventricular contractions, and ST segment changes, may indicate blunt cardiac injury.
节律异常，包括难以解释的心动过速、房颤、室早和ST段改变，都提示心脏钝性伤的可能。
2
Atrial fibrillation is the most common arrhythmia in clinical cardiac diseases.
心房颤动是临床上最为常见的心律失常。
3
The most common reason for sudden cardiac arrest is a very chaotic heart rhythm (ventricular fibrillation), which occurs as a result of a heart attack.