Abstract
A 57-year-old female presented with complete heart block and then developed refractory hypotension despite temporary pacing. Moderate left ventricular dysfunction with focal wall motion abnormalities, as well as severe hypoxemia, were demonstrated. However, neither significant coronary disease nor evidence for pulmonary embolus or other lung disease could be determined. Hemodynamic stabilization was achieved with the use of an intra-aortic balloon pump and multiple high-dose pressor agents. A retrospective diagnosis of toxic verapamil-SR and atenolol ingestion was confirmed, and the patient gradually recovered. The relevant literature is reviewed and various treatment approaches are discussed.
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