The HHR is a stylish retro wagonette based on the Chevrolet Cobalt platform. Introduced in 2006, it offers more interior space and better looks than the Cobalt, although the roughly $3000 premium for the HHR is not insubstantial.
Congestive heart failure. The most common cause of pulmonary edema is congestive heart failure (CHF). Heart failure is when the heart can no longer pump blood properly throughout the body. This creates a back-up of pressure in the small blood vessels of the lungs, which causes the vessels to leak fluid.
Picture of the alveoli and lung. Pulmonary edema occurs when the alveoli fill up with excess fluid seeped out of the blood vessels in the lung instead of air. This can cause problems with the exchange of gas (oxygen and carbon dioxide), resulting in breathing difficulty and poor oxygenation of blood. Sometimes, this can be referred to as water in the lungs when describing the condition to patients. Pulmonary edema can be caused by many different factors.