There are two simple but very effective methods / How to stop tachycardia in less than a minute

There are two simple but effective methods that will help you cope with a fast heartbeat. When your body temperature drops, your heart rate slows down. Thus the nervous system adapts the body to the new conditions. The heart will "respond" faster to the cold of the face, because it is closer than other parts of the body.

Therefore, when someone has tachycardia, it is recommended to:

-Pour cold water into a deep bowl. The colder it is the better.

-Hold your breath. If necessary, hold your nose by hand and soak your face in cold water for a few seconds.

If you do not have a suitable container, take water in your hands and throw it on your face. You can also massage the face with ice cubes, paying special attention to the temple area. This is a way to affect the vagus nerve, which controls the heartbeat.

Another way is:

Take a deep breath and tense your abdominal muscles.

Hold your nose with your thumb and forefinger, closing your mouth and eyes.

Try to exhale with your nose and mouth closed while continuing to strain your abdominal muscles.

None of the methods described above should be used when tachycardia is accompanied by severe chest pain or a sharp feeling of shortness of breath. In such cases, the only way out of the situation is to call an ambulance.