nonpolar covalent bond. (physical chemistry). A bond in which a pair of electrons is distributed or shared equally between two atoms. 1  Facebook.2  Twitter.onpolar covalent bond. (physical chemistry). A bond in which a pair of electrons is distributed or shared equally between two atoms. 1  Facebook.
When is a barrel chest a sign of a disease process? Chronic obstructive pulmonary disease (COPD) is the most common instance in which a barrel chest will occur. In these cases, itâs a sign of the lungs being over-expanded. This is caused by the loss of elasticity and results in the person having hyper-inflated lungs.
Aortic dissection may lead to CS via acute, severe aortic insufficiency or MI. Acute stress in the setting of aortic or mitral stenosis can also cause shock. Cardiac tamponade or massive pulmonary embolism can present as cardiogenic shock without associated pulmonary congestion.