go to your local emergency department or call 911 if you have: new chest pain or discomfort that is severe unexpected and occurs with shortness of breath sweating nausea or weakness. fast heart rate (more than 120-150 beats per minute or as directed by your doctor) -- especially if you are short of breath. shortness of breath not relieved by rest. sudden weakness or paralysis (inability to move) in your arms or legs. sudden onset of a severe headache. fainting spell with loss of consciousness.
when should i seek emergency care for heart failure?