Consider the following medical report that includes the patient's historical health records. Use it to predict the disease that the patient is high likely exposed to. 

 Medical Report: allergies: beta-adrenergic blocking agents / calcium channel blocking agents-benzothiazepines attending: addendum: addendum-patient was started on diltiazem xr 180mg qd to help treat atrial fibrillation by rate control. tolerated well with pacer. discharge disposition: extended care facility: for extended care - md, procedure: continuous invasive mechanical ventilation for less than 96 consecutive hours insertion of endotracheal tube initial insertion of dual-chamber device initial insertion of transvenous leads [electrodes] into atrium and ventricle insertion of temporary transvenous pacemaker system arterial catheterization infusion of vasopressor agent diagnoses: acidosis hyperpotassemia mitral valve disorders congestive heart failure, unspecified unspecified essential hypertension acute kidney failure, unspecified unspecified acquired hypothyroidism atrial fibrillation aortocoronary bypass status other and unspecified hyperlipidemia atrioventricular block, complete cardiogenic shock hyperosmolality and/or hypernatremia diseases of tricuspid valve 

Answer: The patient is high likely exposed to