Key result
Severe hypoglycemia in an elderly diabetic patient was associated with prolonged QTc interval and ventricular premature beats, which resolved after correction of the hypoglycemia.
Case Report (n=1)
Severe hypoglycemia can cause reversible QTc prolongation and ventricular premature complexes in diabetic patients with underlying cardiovascular disease.
May prompt QTc monitoring during hypoglycemia in elderly diabetics with CVD; hypothesis-generating and requires prospective validation.
Cardiac arrhythmias may be caused by hypoglycemia in diabetic patients, with or without underlying cardiovascular disease. It may be difficult to establish a relationship between hypoglycemia alone and cardiac arrhythmia, especially in elderly diabetic patients, because of the presence of multiple comorbidities. We report a case of an elderly patient with diabetes and established cardiovascular disease, who presented with delirium secondary to severe hypoglycemia along with prolonged QTc interval and ventricular premature beats, which resolved after correction of hypoglycemia.
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Monya-Tambi et al. (2013) conducted a case report in Hypoglycemia in diabetes (n=1). Severe hypoglycemia was evaluated on QTc prolongation and ventricular premature complexes. Severe hypoglycemia in an elderly diabetic patient was associated with prolonged QTc interval and ventricular premature beats, which resolved after correction of the hypoglycemia.
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