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Atrial flutter is usually well-tolerated initially (a high heart rate is, for most people just a normal response to exercise); however, people with other underlying heart diseases (such as coronary artery disease) or poor exercise tolerance may rapidly develop symptoms, such as shortness of breath, chest pain, lightheadedness or dizziness ...
The heart has four chambers, two upper chambers—the left and right atrium, or together the atria, and two lower chambers—the left and right ventricles. Atrial flutter is used to describe when the atria contract at really high rates—about 300 beats per minute, but sometimes as high as 400 beats per minute.
Symptoms of the acute coronary syndromes are similar. [8] The cardinal symptom of critically decreased blood flow to the heart is chest pain, experienced as tightness, pressure, or burning. [9] Localization is most commonly around or over the chest and may radiate or be located to the arm, shoulder, neck, back, upper abdomen, or jaw. [9]
The chances for surviving a heart attack depend on receiving immediate and timely care," she explains, adding that 80 percent of heart attacks can be prevented by taking healthy lifestyle measures.
"A normal heart rate is 60 to 100 beats a minute when you’re at rest," reads the Cleveland Clinic website. "Atrial flutter can make your heart’s upper chambers beat 250 to 350 times a minute.
Hospital cases at new high as health chiefs raise fears that those with symptoms are failing to seek help