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Symptoms of Heart Failure: When to Call for Help
Heart failure causes many symptoms. Some of them are more serious than others. It is important to recognize when you should call 911 for emergency help and when you should call your doctor or nurse for urgent attention.
The following lists can help you decide what to do when you experience certain symptoms. Print this page and keep it in a convenient spot.
Emergency Symptoms of Heart Failure
Call 911 for emergency help, if you have:
- Chest discomfort or pain that lasts more than 15 minutes that is not relieved with rest or nitroglycerin.
- Severe, persistent shortness of breath.
- Fainted or passed out.
Urgent Symptoms of Heart Failure
Call your doctor immediately, if you have any of the following symptoms:
- Increasing shortness of breath or a new shortness of breath while resting.
- Trouble sleeping due to difficulty breathing. For example, waking up suddenly at night due to difficulty breathing.
- A need to sleep sitting up or on more pillows than usual.
- Fast or irregular heart beats, palpitations, or a "racing heart" that persists and makes you feel dizzy or lightheaded.
Or if you:
- Cough up frothy or pink sputum.
- Feel like you may faint or pass out.

