The adrenaline rush will produce a faster and stronger than normal heartbeat. That's when you get the feeling of a butterfly or flutter in the chest.. Other causes for chest flutters may include: 1  Caffeine. 2  Alcohol. 3  Smoking. 4  Exercise. 5  Fever. 6  Over-the-counter medications such as diet pills or allergy medicine.
A CDI, or Capacitor Discharged Ignition is a system that is linked to the ignition of some petrol engine driven vehicles.Its purpose is to store an electrical charge that is discharged through the ignition coil and thus increases the power to the spark plug/s for a very powerful, high-energy spark.This prevents fouling of the spark plug/s.A CDI can be disconnected in some vehicles and the engine would still run, but with a less powerful spark to the spark plug/s.his prevents fouling of the spark plug/s. A CDI can be disconnected in some vehicles and the engine would still run, but with a less powerful spark to the spark plug/s.
A compact disc, or CD, is an optical storage medium with digital data recorded on it. The digital data can be in the form of audio, video, or computer information. When the CD is played, the information is read or detected by a tightly focused light source called a laser (thus the name optical medium). This article will focus on audio compact discs, which are used to play back recorded music.