If you may be having a heart attack or strokeact now.

Do not wait for this website

Heart attack and stroke symptoms can vary. If you are concerned that you or someone else may be experiencing an emergency, call your local emergency number and follow the operator's instructions.

Possible heart attack signs

Possible signs can include:

• Chest discomfort, pressure, squeezing, fullness, or pain that lasts or returns
• Shortness of breath, with or without chest discomfort
• Pain or discomfort in the jaw, neck, back, arm, or shoulder
• Weakness, lightheadedness, faintness, or a cold sweat
• Nausea, vomiting, or unusual and unexplained tiredness

Possible stroke signs

Use FAST as a simple prompt to act:

• Face: one side of the face may droop
• Arms: one arm may be weak or numb
• Speech: speech may be slurred or difficult to understand
• Time: call local emergency services immediately

What this page cannot tell you

It cannot tell you whether a symptom is harmless, whether you are having a heart attack or stroke, or whether it is safe to wait. When an emergency is possible, seek emergency care now.