Symptoms of heart palpitations may include a passing sensation of a pounding, rapid, fluttering, or skipped heartbeat. These sensations are usually felt in the chest but may also be felt in the neck and/or the throat. Generally, there are 2 broad types of palpitations.
Flashes of light that appear as jagged lines or heat waves in both eyes, often lasting 10-20 minutes, are different. They are usually caused by migraine, a spasm of blood vessels in the brain.
A Dr. Michael Roizen, MD , Internal Medicine, answered. If you see flashes of light (unrelated to lightning or someone taking your picture) that means some of your retina cells are detonating. The flashes are usually harmless, but may be a sign of a retinal detachment, so you should call your eye doctor immediately. Find out more about this book: