Perspectives on visitors in the emergency department: their role and importance.

Burden of arrhythmias in patients with Takotsubo cardiomyopathy (apical ballooning syndrome).

Digoxin significantly improves all-cause mortality in atrial fibrillation patients with severely reduced left ventricular systolic function.

In-hospital complications associated with catheter ablation of atrial fibrillation in the United States between 2000 and 2010: analysis of 93 801 procedures.

Non-influence of lipid lowering therapy in atrial fibrillation recurrence.

Presence of anti-viral and anti-parasitic antibodies and cardiovascular mortality: insights from NHANES III.

Predictors of J-point elevation in a cross sectional US cohort.

ST-T wave abnormality in lead aVR and reclassification of cardiovascular risk (from the National Health and Nutrition Examination Survey-III).

QRS duration on electrocardiography and cardiovascular mortality (from the National Health and Nutrition Examination Survey-III).

Dual ventricular rhythm.