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.
1 If your heart isn't working efficiently, you may feel aortic regurgitation symptoms including fatigue and short of breath.  Aortic regurgitation can develop suddenly or over decades. It has a variety of causes, such as rheumatic fever or infection.