Term
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Definition
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Term
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Definition
- Beta-Blocker (Beta-1 selective)
- Antihypertensive
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Term
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Definition
- Decreases heart rate, myocardial contractibility, and myocardial oxygen demand.
- Inhibits dilation of bronchial smooth muscle
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Term
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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
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Term
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Definition
- Heart Failure
- Cardiogenic Shock
- Bradycardia
- Lung Disease
- Hypotension
- Second or Third degree heart block
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Term
Adverse Reactions/Side Effects |
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Definition
- Dizziness
- Bronchospasms
- Bradycardia
- AV conduction delays
- Hypotension
- Myocardial Infarction
- Heart Failure
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Term
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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.
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Term
Dosage and Administration |
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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 |
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Term
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Definition
Onset: within 5 minutes
Peak: 10 Minutes
Duration: 2 to 4 hours |
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