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Heart failure symptoms

Symptoms of heart failure include:
Shortness of breath during activity (most commonly) or rest, especially when you lie flat in bed
A cough that coughs up white phlegm.
Rapid weight gain (it is possible to gain two to three pounds in a day.)
Swelling of ankles, legs and abdomen
dizzy
tired
Rapid or irregular heartbeat
Other symptoms include nausea, palpitations and chest pain.
Like valve disease, heart failure symptoms may not be related to the degree of heart weakness. You may have many symptoms, but your heart function may be only slightly weakened. Or your heart is badly damaged with few symptoms.