1 A Cardiac EKG (Rates) Brady,Tachy, Arhythmia
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| A normal heart rhythym is called? | normal sinus rhythym
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| Why is it called sinus rhythym? | because the electrical conduction starts at the sino-atrial node
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| Rate of normal sinus rhythym is? | 60-100bpm (normal heart rate or atrial rate)
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| Rate of the AV node and bundle branches is? | 40-60
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| Rate of the purkingie fibers is? | 20-40 (Just remember normal sinus rhythym is 60-100 and it slows down as it goes through the heart. Subtract 20 through the bundle branches and subtract 20 through the purkingie fibers.)
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| Normally the atria (P waves) and the ventricles (QRS complexes) should beat at the same rate? True or False? | True
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| If electrical conduction begins in the BB or ventricle-What would the rate be? | 40-60bpm
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| A slow heart rate is called? | sinus bradycardia
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| Rate of sinus bradycardia is? | 40-60bpm
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| Can sinus bradycardia be normal? | Yes in children or athletes
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| Does normal sinus brady need treatment? | NO
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| When is sinus brady considered abnormal? | When there are signs of low Cardiac Output
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| Signs of low Cardiac Output are? | SOB, reduced LOC, cold, clammy, diaphoretic.
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| Does abnormal sinus brady need treatment? | YES
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| Causes of Sinus Brady are? | ICP,vagal stimulation(constipation), hypertrophy, beta blockers, rest/sleep, any disease that damages the SA Node, digoxin, CCB’s (Think Brady If Brad-C Acronyms spell Ivh, Bradc)
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| Med Treatment for Brady is? | ADE for Brady, Atropine 0.5mg IVpush, Dopamine, Epi (Also hold any of the drugs that cause Brady – Na+ blockers(dig) and BB’s, and CCB’s)
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| If the heart is beating too slow and meds do not correct it what else might be needed? | Temporary pacing until the cause is found. Or permanent pacing if sinus disease.
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| A fast heart rate is called? | sinus tachycardia
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| Rate of Sinus Tachycardia is? | 100-150bpm
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| What are causes of Sinus Tachy? | Infection, Fever, Pain, Anxiety, Caffeine, Hypoxemia, Hypovolemia, y Brady meds (Think Tachy - IF PACHY)
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| A normal heart rate that fluctuates with the Pts. respirations is called? | Arrhythmia
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| If arrhythmia is suspected what would the nurse do to observe this? | Observe the rhythm while listening to respirations.
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