Did you faint, but now you are awake and feel fine?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Did you feel lightheaded?

Did you have palpitations?

Do you have a known heart problem?

Do you feel lightheaded, and your heart rate is faster than 100 beats per minute after 5 minutes of rest?

Do you feel lightheaded, and your heart rate is slower than 60 beats per minute?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Is your heart beating faster than 100 beats per minute without an obvious cause?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Is your heart beating slower than 50 beats per minute without other symptoms?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you have episodes of a fast heart rate with shortness of breath during physical activities?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Is your irregular heart rhythm new and you have a known heart problem?

Do you have an irregular heart rhythm without other symptoms?

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Do you think the change in your heart rate or rhythm may be caused by a medicine?Note: If you answered "Yes":Call the health professional who prescribed the medicine to determine whether you should stop taking it or take a different one. An appointment may not be necessary.If you are taking a nonprescription medicine, stop taking the medicine. Call your health professional if you feel you need to continue taking the medicine.

If you have answered "No" to the above questions, go back to Check Your Symptoms and continue to answer the questions to evaluate your symptoms.

Call your health professional immediately.

You have answered "Yes" to a question that indicates you may need immediate care. Call your health professional now to discuss your symptoms and arrange for your care.

• Symptoms are likely to worsen without medical care.
• If you do not have a health professional, seek emergency care.
• Emergency transportation is not needed. However, if you are not able to travel safely either by driving yourself or having someone else drive you, call an ambulance.

You do not need to answer any of the other questions.

Call your health professional today.

You have answered "Yes" to a question that indicates you need to call your health professional to discuss your symptoms and arrange for care.

• An appointment today is usually needed.
• Symptoms are unlikely to improve without medical care.

Return to the Check Your Symptoms section and answer the questions. You may need to see a health professional sooner if you have other more serious symptoms.

You may wait to see if the symptoms improve over the next 24 hours.

You have answered "Yes" to a question that indicates you may wait to see if your symptoms improve over the next 24 hours (or the specified time period). If symptoms improve, no appointment is needed.

• If symptoms do not improve after 24 hours (or the specified time period), an appointment within the next 24 hours is usually needed.
• If appropriate, try home treatment to relieve your symptoms.
• Check your symptoms in 24 hours, or sooner if there is any change.
• Call your health professional if symptoms get worse.

Return to the Check Your Symptoms section and answer the questions. You may need to see a health professional sooner if you have other more serious symptoms.