PT - JOURNAL ARTICLE AU - Éamon P McCarron AU - Monica Monaghan AU - Shiva Sreenivasan TI - Images of the month 2: Electrocardiographic QRS alternans caused by gastric volvulus AID - 10.7861/clinmed.2019-0259 DP - 2019 Nov 01 TA - Clinical Medicine PG - 528--529 VI - 19 IP - 6 4099 - http://www.rcpjournals.org/content/19/6/528.short 4100 - http://www.rcpjournals.org/content/19/6/528.full SO - Clin Med2019 Nov 01; 19 AB - QRS electrical alternans is characterised by alternating amplitude of the QRS complexes, and is well-documented in cardiac conditions such as pericardial effusion. We describe a case of QRS alternans in a patient with gastric volvulus.