| Term 
 | Definition 
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        |  | 
        
        | Term 
 | Definition 
 
        | 
Beta-Blocker (Beta-1 selective)Antihypertensive |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | 
Decreases heart rate, myocardial contractibility, and myocardial oxygen demand.Inhibits dilation of bronchial smooth muscle |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | 
To decrease heart rate, the force of myocardial contraction, and myocardial oxygen demand in patient experiencing ACS.Hypertension stable narrow-QRS tachycardia if the rhythm persists despite vagal maneuvers or adenosine or if the tachycardia is recurrent.For ventricular rate control in AF and atrial flutter if no signs of heart failure.May be used in the treatment of specific forms of polymorphin VT |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | 
Heart FailureCardiogenic ShockBradycardiaLung DiseaseHypotensionSecond or Third degree heart block |  | 
        |  | 
        
        | Term 
 
        | Adverse Reactions/Side Effects |  | Definition 
 
        | 
DizzinessBronchospasmsBradycardiaAV conduction delaysHypotensionMyocardial InfarctionHeart Failure |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | 
May potentiate antihypertensive effects when given to patients taking calcium channel blockers or MAOIs.Catecholamine-depleting drugs may potentiate hypotension.Sympathomimetic drugs may be antagonized.Signs of hypoglycemia may be masked. |  | 
        |  | 
        
        | Term 
 
        | Dosage and Administration |  | Definition 
 
        | Adult: 5 mg slow IV (over 5 minutes). Wait 10 minutes. If dysrhythmia persists or recurs give second dose of 5 mg over 5 minutes.   Pediatric: Not recommended |  | 
        |  | 
        
        | Term 
 | Definition 
 
        | Onset: within 5 minutes Peak: 10 Minutes Duration: 2 to 4 hours |  | 
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