o Functional Groups ï· Groups of atoms attached to the carbon backbone of organic molecules ï· Cause changes in physical characteristics and chemical properties o Hydroxyl ï· OH group o Carbonyl ï· C=O ï· Ketone located in a carbon chain ï· Aldehyde located on the end of a chain o Carboxyl ï· HO-C=O ï§ Tends to be acidic because the hydrogen dissociates and ...
Abdominal aortic aneurysm. The most common symptoms of abdominal aortic aneurysm include general abdominal (belly) pain or discomfort, which may come and go or be constant. Other symptoms include: Pain in the chest, abdomen, lower back, or flank (over the kidneys), possibly spreading to the groin, buttocks, or legs.
Aortic dissection symptoms may be similar to those of other heart problems, such as a heart attack. Typical signs and symptoms include: Sudden severe chest or upper back pain, often described as a tearing, ripping or shearing sensation, that radiates to the neck or down the back