Muscle injuries and dehydration can also trigger cramps. Dehydration is the excessive loss of fluids in the body. Low levels of any of the following minerals that contribute to healthy muscle function may also cause muscle cramps: calcium.
The heart is a part of the cardiovascular system in fact its the main part so if you have heart disease another way of saying this is you have cardiovascular disease.
Cardiomegaly is a condition effecting the cardiovascular system, specifically the heart. This condition is strongly associated with congestive heart failure. Within the heart, the working fibers of the myocardial tissue increase in size.