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Summary Med Surg: Cardiac Med Notes: Part 1
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Med Surg: Cardiac Med Notes: Part 1
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Med Surg: Cardiac Med Notes: Part 1Prodysrhythmia - answer>>>development of a new, or reappearance of an existing, dysrhythmia when
an antidysrhythmic drug is administered and the drug level is not a toxic level
What cardiac med decreases impulse conduction in the atria, ventricles, and His-Purkinje system -
answer>>>Class I: Sodium channel blockers
What cardiac meds delay repolarization and are seen as a widened QRS and prolonged QT interval on a
ECG - answer>>>Class IA
- Disopyramide (Norpace)
- Procainamide
- Quinidine
What cardiac meds accelerate repolarization and have little to no effect on an ECG - answer>>>Class IB
- Lidocaine
- Mexiletine
- Phenytoin (Dilantin)
What cardiac meds decrease impulse conduction and have pronounced prodysrhythmic actions, widen
QRS, and a prolong Qt interval - answer>>>Class IC
- Flecainide
- Propafenone (Rythmol)
What cardiac meds decrease automaticity of the SA node, slow impulse conduction in AV node, reduce
atrial and ventricular contractility and is seen as bradycardia, prolonged PR interval, and AV block -
answer>>>Class II: beta-adrenergic blockers
- esomolol (brevibloc)
- metoprolol (Lopressor)
- propranolol (Inderal)
, what cardiac meds delay repolarization resulting in prolonged duration of action potential and
refractory period and is seen as a Prolonged PR an QT interval, widened QRS, bradycardia on an ECG -
answer>>>CLass III: Potassium channel blockers
- amiodarone
- dofetilide (Tikosyn)
- Ibutilide (covert)
- Sotalol (betapace)
what cardiac meds decrease automaticity of the SA node, delay AV node conduction; reduce myocardial
contractility and is seen as bradycardia, prolonged PR interval, AV block on an ECG - answer>>>Class IV:
CCB
- diltiazem (adenocrad)
- verapamil
What are the other cardiac meds that cause decreased conduction though AV node, reduce automaticity
of the SA node, and is seen as prolonged PR interval, and AV block? - answer>>>- adenosine (adenocard)
- Digoxin (Lanoxin)
What are the other cardiac meds that cause suppression of atrial dysrhythmias though mechanism is
unknown and is seen as a prolonged QT interval? - answer>>>Dronedarone (Multaq)
What are the other cardiac meds that cause decreases impulse conduction through AV node and is seen
as AV block on a ECG. - answer>>>magnesium
Antiarrhythmic drugs are usually for - answer>>>tachyarrhythmias
What would we assess before giving cardiac drugs? - answer>>>Baseline ECG
VS
Heart a lung sound
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