LP PLA2 (PLAC) Test
The PLAC test is a simple blood test approved by the US FDA in all individuals above 18 years of age irrespective of family history. The PLAC test or the Lp-PLA2 test measures the activity of the enzyme called Lp-PLA2. It has been observed that individuals with normal cholesterol levels and higher levels of PLAC (Lp – PLA2) are at a greater risk of developing heart attack. Likewise, individuals with high cholesterol but low levels of PLAC (Lp-PLA2) are at a lower risk of developing heart attack and continue to lead a normal life. Hence the PLAC test acts as an independent marker of heart health which is imperative of your cholesterol levels. Heart attacks occur when the supply of oxygen rich blood is cut off to the heart. Over the years, when plaque (wax like substance that is made up of fat and cholesterol) accumulates in the arteries carrying blood to the heart, it results in heart disease. When plaque ruptures it leads to heart attack. LP-PLA2 is an enzyme that is involved in the formation of a plaque that is prone to rupture. Thus people with increased levels of blood level of Lp-PLA2 are at a greater risk of developing heart attack and stroke.
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