1 meter = 1000 millimeters. The back of this kitchen chair is 1 meter. A kilometer is equal to 1000 meters. When we need to get from one place to another, we measure the distance using kilometers.
In general, chest discomfort related to a heart attack or another heart problem may be described by or associated with one or more of the following: 1  Pressure, fullness or tightness in your chest. 2  Crushing or searing pain that radiates to your back, neck, jaw, shoulders and arms â particularly your left arm.owever, chest pain that is less likely due to a heart problem is more often associated with: 1  A sour taste or a sensation of food re-entering your mouth. 2  Trouble swallowing. 3  Pain that gets better or worse when you change your body position.
Chest pain is one of many symptoms associated with a heart attack. If you are experiencing chest pain accompanied by pain radiating up through your arm and possibly into your neck and lower jaw, you may be having a heart attack and should seek medical attention immediately.ther medical conditions of which chest pain is a symptom include: 1  Aortic Dissection: a tear in the side of the aorta, which causes abrupt severe pain in the chest and back. 2  Pericarditis: an inflammation of the surrounding area of the heart, causing discomfort in the middle of the chest.