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, Pressure, & Discomfort. While chest pains do not occur in every heart attack, they are the most recognizable symptom for good reason. Chest tightness is a common sign of a heart attack. People have described this sensation as feeling like an elephant is standing on their chest.