RT Journal Article SR Electronic T1 Angina in McArdle's disease. JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 372 OP 373 DO 10.1136/hrt.76.4.372 VO 76 IS 4 A1 D. P. Nicholls A1 N. P. Campbell A1 H. P. Stevenson A1 V. H. Patterson YR 1996 UL http://heart.bmj.com/content/76/4/372.abstract AB McArdle's disease (myophosphorylase deficiency) results in the inability to metabolise skeletal muscle glycogen to lactate. A patient with this condition developed angina and therefore offered a unique opportunity to explore the differential expression of the defective myophosphorylase gene in skeletal and cardiac muscle.