The lower esophageal sphincter (LES) is a muscle found at the bottom of the esophagus, where it meets the stomach. Of people admitted to the emergency department for acute chest pain but without a heart attack, around 30% have GERD-related symptoms. It can cause symptoms such as heartburn, a burning sensation in the middle of the chest, and regurgitation. GERD occurs when the stomach’s acidic contents flow back into the tube that connects the mouth and stomach, called the esophagus. SVT arrhythmias are any rapid heartbeats originating in the heart’s upper chambers.Īnother study investigating moderate coffee consumption found a link between each additional cup of coffee people consumed and a 3% lower risk of any arrhythmia - including atrial fibrillation, PVCs, or other common heart conditions. The researchers also noted no association between moderate drinking of coffee and an increased risk of supraventricular tachycardia (SVT) arrhythmias, including atrial fibrillation. Some people may experience chest pain or discomfort with PVCs, but most people have no associated symptoms with the palpitations. They disrupt the usual heart rhythm, causing a fluttering sensation or a skipped beat in the chest. PVCs are extra heartbeats that begin in the heart’s lower pumping chambers. Researchers found that study participants experienced 54% more premature ventricular contractions (PVCs) on coffee-drinking days. Regular consumers typically develop a tolerance to its effects.Ī 2021 study observed people drinking one to three cups of coffee or no coffee on alternating days. ![]() ![]() The effects of caffeine are usually more pronounced in people who do not have caffeine often. Some people may experience heart palpitations after consuming caffeine. The research is conflicting, with some scientists suggesting that increased caffeine intake is associated with a reduced risk of heart failure later in life or a decreased risk of heart disease and heart attack. High blood pressure damages the arteries, reducing blood flow and oxygen to the heart, which could result in chest pain - known as angina, heart attack, and heart failure.Īlthough caffeine can cause a rise in blood pressure, it is temporary and unlikely to trigger chest pain.Īnother 2021 study indicates that regular, moderate caffeine consumption does not adversely affect blood pressure in most people. This blood pressure increase peaks after 60–90 minutes and then returns to its starting level after 2–4 hours. Specifically, caffeine induces a rise in systolic blood pressure of 3–8 millimeters of mercury (mmHg) and diastolic blood pressure of 4–6 mmHg - both measures relate to the contraction or relaxation of the heart muscle. Blood pressureĪ 2019 study reports that around 30 minutes after a person consumes caffeine, their blood pressure increases. The evidence below explores the link between caffeine and the mechanisms that could theoretically cause chest pain. ![]() Chest pain is more likely due to another cause. Chest pain does not typically occur with moderate caffeine consumption among healthy people.
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