Fig. 1From: Codon 141 polymorphisms of the ovine prion protein gene affect the phenotype of classical scrapie transmitted from goats to sheepElectrocardiogram recorded from LL141 milk recipient 1329 with cardiac arrhythmia. Extract of an electrocardiogram recorded over 5 min prior to cull whilst the animal was restrained in its pen with other sheep; overall heart rate 112 beats per minute. R = R peak intervals; major unit on x axis is second, major unit on y axis is 0.1 mV. Note the irregular rhythm of the R peak intervals, which do not appear to follow a particular patternBack to article page