PT - JOURNAL ARTICLE AU - M J Metcalfe AU - P H Seidelin TI - Images in cardiology. ECG changes of severe hyperkalaemia. AID - 10.1136/hrt.72.3.260 DP - 1994 Sep 01 TA - British Heart Journal PG - 260 VI - 72 IP - 3 4099 - http://heart.bmj.com/content/72/3/260.short 4100 - http://heart.bmj.com/content/72/3/260.full SO - Heart1994 Sep 01; 72