But you're lucky, relatively speaking. If you were shot in the heart, your blood pressure would quickly drop, but it would take 10 to 15 seconds to lose brain function. In that time you could draw your gun, utter last words, or spend some time thinking about your unfortunate situation.
Caffeine can cause indigestion, which in turn may lead to heart palpitations. However, arrhythmia (abnormal heart rhythm) can also cause palpitations, and this condition is more of a concern. Seek medical attention if your palpitations last longer than two or three minutes.
An overactive thyroid can cause palpitations. Low blood sugar levels and anemia can also cause your heart to skip a beat and if you have a fever or are dehydrated you may feel the symptoms. High levels of salt can elevate your blood pressure, which can in turn cause heart palpitations.(Read more about hidden sources of salt in your diet .).n fact, few things are as frightening as your heart missing a beat. It can be very unnerving to feel your heart beating out of the blue and out of time. When your heart skips a beat you may fear you re having a heart attack, or that your fluttering heart is the sign of something serious.