Heart Attack Warning Signs:

Some heart attacks are sudden and intense, but most heart attacks start slowly, with mild pain or discomfort. Here are some of the signs that can mean a heart attack is happening.

• Chest Discomfort: Most heart attacks involve discomfort in the center of the chest that lasts more than a few minutes, or that goes away and comes back. It can feel like uncomfortable pressure, squeezing, fullness or pain.

• Discomfort in Other Areas of the Upper Body: Symptoms can include pain or discomfort in one or both arms, the back, neck, jaw or stomach.

• Shortness of Breath: This feeling often comes along with chest discomfort. But it can occur before the chest discomfort.

• Other Signs: These may include breaking out in a cold sweat, nausea or lightheadedness.

If you or someone you're with has chest discomfort, especially with one or more of the other signs, call 9-1-1.

Stroke Warning Signs:

• Sudden numbness or weakness of the face, arm, or leg, especially on one side of the body.

• Sudden confusion, trouble speaking or understanding.

• Sudden trouble seeing in one or both eyes.

• Sudden trouble walking, dizziness, loss of balance, or coordination.

• Sudden sever headache with no known cause.

Not all of these warning signs occur in every stroke. If some start to occur, don't wait. Get help immediately. Stroke is a medical emergency, Call 9-1-1.