The most common complaint during coronary artery balloon catheterization is:

The coronary artery balloon catheterization is a type of angioplasty procedure that opens up a narrowed, cholesterol blocked artery to ease out the blood flow. The interventional cardiologist is the person responsible in performing the said procedure. He will use a long, thin tube called a catheter that has a balloon on its tip. The balloon will be inflated in the blocked site of the artery so as to flatten or compress the plaque against the arterial wall.

If complications occur, they are not usually severe. The most common complaint is bleeding or discomfort at the site where the catheter was inserted. This, however, can be controlled by applying pressure on the site and taking pain reliever.

relative dating involves things like higher layers are most recent than rocks lower in the sequence. this can be extended to the known sequence of fossils. rocks containing rabbit fossils are later than those containing dinosaur fossils.  

absolute dating methods mainly use radioactive elements that have known rates of decay and produce recognizable products. for example potassium 40 decays to produce argon. once a rock has solidified the argon is trapped. by measuring the argon and potassium0 you can get an accurate number for the age.  

some other methods are good for archaeological ages. dendrochronology involves recognizing the sequence of tree rings. the orientation of magnetized particles in baked clay can be used to date a fire.

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