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nika.steffan
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What is the classification of lidocaine?
Class IB - has little or no effect on HR
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Which antiarrhythmic is indicated in the acute treatment of ventricular arrhythmias?
Lidocaine
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Which antiarrhythmic causes the following side effects:
Drowsiness, seizures, respiratory depression, cardiac arrest, confusion, hypotension
lidocaine
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Which antiarrhythmic causes cardiac depression and toxicity when given with Dilatin, quidinine, pronestyl, or inderal?
Lidocaine
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What are the actions of lidocaine?
o Suppresses the automaticity of conduction tissue and spontaneous depolarization of the ventricles during diastole by altering the flux of Na+ ions across the cell membrane.
o Has little of no effect on heart rate.
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Lidocaine is contraindicated in ...
Advanced AV block.
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Which class of antiarrhythmics is Pronestyl?
action
- Class IA
- o Suppresses automaticity and ventricular ectopy.
- o Decreases myocardial excitability,
- o Slows conduction velocity,
- o May depress myocardial contractility.
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Which antiarrhythmic is used to treat a wide variety of ventricular and atrial arrhythmias?
Pronestyl, Quinidine,
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Which antiarrhythmic is used to maintain NSR after conversion of A fib and flutter?
pronestyl
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What are the contraindications of Pronestyl?
AV block and MG
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Which antiarrythmic causes the following side effects:
FUO (fever of undertermined origin)
SLE (systemic lupus erythematous),
Ventricular arrhythmias - asystole,
heart block, agranulocytosis, leukopenia, thrombocytopenia, NV, rash
Pronestyl
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Which drug causes hypotension when given IV push?
Pronestyl
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What is the classification of Inderal ?
- Beta Adrenergic blocker, antiarrhythmic- Class II
- o Blocks beta 1 and beta 2 receptor sites, decreases the heart rate - negative chronotropic,
- o decreases the AV conduction - negative dromotropic
- o decreases contractility - negative inotropic.
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Which drug is indicated in supraventricular tachycardia (SVT)?
Inderal
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Which drug is used in the treatment of symptoms associated with mitral valve prolapse (MVP)?
Inderal
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Which drug may mask the symptoms of hypoglycemia?
Inderal
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Which drug can cause the side effects pulmonary edema, blurred vision, raynaud's phenomenon, hyperglycemia and hypoglycemia?
Inderal
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Which drug's effects may increase when taken with Cimetidine?
Inderal
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What is the class and actions of Quinidine?
- Class: Antiarrhythimic - Class IA
- o Decreases myocardial excitability, slows conduction velocity, suppression of arrhythmias.
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Which drug is used in the maintanence of NSR after electrical conversion (cardioversion)?
Quinidine
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Which drug causes the following side effects:
vertigo, thrombocytopenia, anemia, tinnitus, arrhythmias, diplopia
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Which drug should not be taken with grapefruit juice, fruit juice or vitamin C?
Quinidine
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What is the classification and actions of Amiodarone?
- Classification: Antiarrhythmic- Type III
- o Prolongs the action potential and refractory period in myocardial tissue.
- o Inhibits adrenergic stimulation
- o Decreases automaticity
- o slows the sinus rate
- o increases the PR and the QT intervals
- o decreases peripheral vascular resistance.
- o Suppression of ventricular arrhythmias.
- Has both alpha and beta adrenergenic blocking properties
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Which drug is used in the long-term management of life threatening ventricular arrhythmias unresponsive to conventional therapy with less toxic agents?
Amiodarone
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Which drug is used in long-term management of ventricular (VT) and supraventricular tachycardia (SVT)?
Amiodarone
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Which drug is good for clients with decreased ejection fractions?
Amiodarone
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Which drug is a good alternative to lidocaine?
Amiodarone
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Which drug causes the following side effects:
CHF, photosensitivity, conreal microdeposists, hypo/hyperthyroidism, pulmonary fibrosis, progressive dyspnea, blue-grey skin, tremors
Amiodarone
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Which drug has an extremely long duration of action and effects may continue for a long time after it is discontinued?
Amiodarone
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When taking amiodarone you should monitor:
pulmonary, liver, thyroid and vision
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What are the actions of adenosine?
- o Exerts its negative chronotropic (heart rate) and negative dromotropic (conduction) effects on the SA and the AV nodes.
- Actions:
- o Restores NSR by interrupting reentrant pathways in the AV node.
- o Slows conduction time through the AV node. Very short half-life less than 5 seconds.
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Which drug is converts SVT, ST to NSR -when vagal maneuvers are unsuccessful?
- Adenosine
- *observe EKG expect asystole prior to restoration of NSR
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Which drug is used as a noninvasive diagnosis of CAD with a thallium scan stress test.
Adenosine
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Which drug should be used cautiously with asthma?
Adenosine
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Which drug should only be used in emergency and is given IV push as quickly as possible?
Adenosine
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Which drug can cause CHB when client already has a preexisting AV block or 2 degree block and asystole?
Adenosine
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