There are rare cases where sneezing can cause a sudden drop in blood pressure that leads to fainting.
Even then, sneezing never causes the heart to stop.
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What Happens to Your Heart When You Sneeze?
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The SA node generates an electrical impulse that causes the upper heart chambers (atria) to contract.
The contraction, in turn, compresses thevagus nervewhich controls both the diaphragm and the heart rate.
What Is Sneeze Syncope?
Sneezesyncoperefers to fainting that occurs due to a rapid drop in blood pressure while sneezing.
What About Hiccups?
What Happens When You Sneeze?
A sneeze is a protective reflex designed to expel respiratorymucusand irritating foreign particles from the lungs or upper airways.
Here are some things to try:
Summary
Your heart does not stop when you sneeze.
However, your heart rhythm may briefly change.
When sneezing, your nerves send a signal to your brain to get rid of nasal irritation.
The pressure in your chest increases and then decreases during a sneeze.
Sneezing has many benefits, like clearing your sinuses and getting rid of bacteria and viruses.
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