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It couldn't be a heart attack, he thought. Shaw went to an urgent care clinic, complaining only about the breathing problems. The doctor suspected pneumonia and gave him a prescription for antibiotics ...

Start by exhaling fully, inhale four counts, hold for another four counts ... difference between tightness in the chest from anxiety and a heart attack is the location of the pain.

But how much do you really know about your heart and how it works ... the left side of the chest, which is what makes it seem as though it is located there. Hold out your hand and make a fist.

Symptoms include chest pain that comes on quickly or worsens ... This sac, called the pericardium, helps protect and hold the heart in place. Pericarditis can be acute or recurrent.

Push downward which brings this down in front of you. Once you hold on to this you let this one go and just do a chest press motion. Be careful not to bring your arms back to far which would over ...