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| '''Heartburn''', also medically referred to as '''pyrosis''', is a painful burning sensation in the esophagus, just below the breastbone. The pain often rises in the chest and may radiate to the neck or throat. | '''Heartburn''', also medically referred to as '''pyrosis''', is a painful burning sensation in the ], just below the ]. The pain often rises in the ] and may radiate to the ] or ]. | ||
| It is caused by the failure to close of the lower esophageal ] (LES) at the top of the ]. This normally prevents stomach contents, now mixed with ] ]s, from returning into the esophagus. ], the rhythmic wave of muscular contraction in the esophagus, normally moves food down and past the LES. | |||
| ⚫ | Most people have experienced |
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| ⚫ | Most people have experienced occasional heartburn. However, frequent, ongoing heartburn, may indicate the more serious condition of ] (GERD). | ||
| {{stub}} | {{stub}} | ||
Revision as of 21:12, 29 January 2005
Heartburn, also medically referred to as pyrosis, is a painful burning sensation in the esophagus, just below the breastbone. The pain often rises in the chest and may radiate to the neck or throat.
It is caused by the failure to close of the lower esophageal sphincter (LES) at the top of the stomach. This normally prevents stomach contents, now mixed with digestive acids, from returning into the esophagus. Peristalsis, the rhythmic wave of muscular contraction in the esophagus, normally moves food down and past the LES.
Most people have experienced occasional heartburn. However, frequent, ongoing heartburn, may indicate the more serious condition of gastroesophageal reflux disease (GERD).
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