additionally , the mean of the total 12-lead qrs amplitude was significantly ( p less than 0.05 ) greater in the 11 younger ( less than or equal to 40 years ) than in the 39 older patients ( 278 mm vs 257 mm ) , in the 14 women than in the 36 men ( 277 mm vs 240 mm ) , in the 22 patients with heavier ( greater than 600 gm ) hearts ( 274 mm vs 244 mm ) , in the 34 patients without compared to the 16 with significant coronary arterial narrowing ( 270 mm vs 238 mm ) , and in the 22 patients without compared to the 24 with ecg myocardial damage patterns ( 269 mm vs 236 mm ) .
C0018787
hearts
C0205042
coronary arterial