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.
Vitamins for Palpitations. Heart palpitations are irregular heartbeats that can cause your heart to race, flutter, pound, skip beats or briefly stop. A variety of factors can trigger heart palpatations, such as anxiety, stress, emotional distress, panic, heart problems, an overactive thyroid, nicotine, alcohol and caffeine.