Glycogen Storage Disease Type V

Deficiency, Muscle Phosphorylase; McArdle Disease; Muscle Phosphorylase Deficiency; 5, Glycogenosis; 5s, Glycogenosis; Deficiencies, Muscle Phosphorylase; Disease, McArdle; Disease, McArdle's; Glycogenosis 5s; McArdles Disease
Glycogenosis due to muscle phosphorylase deficiency. Characterized by painful cramps following sustained exercise.