HEALTH & FITNESS TERMS DIRECTORY
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A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
ExtrasystolesA premature contraction of the heart. It can be caused by nervousness, indigestion, a tired and enlarged heart anything up to overt organic heart disease.
