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===Beta blockers===
===Beta blockers===
Beta blocker intoxication can result in bradycardia, hypotension, QRS widening and seizures. In a series of 260 patients with beta blocker intoxication, 41 (15%) developed cardiovascular morbidity and 4 (1.4%) died. Cardioactive coingestant (e.g. calcium channel blockers) was the only factor significantly associated with the development of cardiovascular morbidity. <cite>bb</cite>
Beta blocker intoxication can result in bradycardia, hypotension, QRS widening and seizures. In a series of 260 patients with beta blocker intoxication, 41 (15%) developed cardiovascular morbidity and 4 (1.4%) died. Cardioactive coingestant (e.g. calcium channel blockers) was the only factor significantly associated with the development of cardiovascular morbidity. <cite>bb</cite>
[[http://en.ecgpedia.org/wiki/File:E000542.jpg|thumb|ECG of a patient with atenolol intoxication]]
[[File:E000542.jpg|thumb|ECG of a patient with atenolol intoxication]]


=== Nortriptyline Intoxication ===
=== Nortriptyline Intoxication ===