NURS142: Final Exam
Study online at https://quizlet.com/_d9lx4e
1. What causes si- ‣ Vagal stimulation (vomiting; straining for BM
nus bradycardia? ‣ MI
‣ Hypoxia
‣ Digitalis toxicity
‣ Athletes
2. What treatment ‣ None unless the pt is symptomatic
is available for si- ‣ Atropine
nus bradycardia? ‣ Electronic pacemaker
‣ Epinephrine and dopamine
‣ Oxygen
3. What causes si- ‣ Atropine or bronchodilators
nus tachycardia? ‣ Emotional upset
‣ Pulmonary embolus
‣ MI
‣ Congestive heart failure
‣ Fever
‣ Inhibition of vagus nerve
‣ Hypoxia
‣ Thyrotoxicosis (thyroid storm)
, NURS142: Final Exam
Study online at https://quizlet.com/_d9lx4e
4. What is the treat- ‣ Treat the cause
ment for sinus ‣ Persistent sinus tachycardia ’beta blockers to slow HR
tachycardia? ‣ Oxygen
5. What are wan- ‣ Occur when the pacemaking impulses originate from at least three different foci
dering atrial in the atria
pacemaker (WAP) ‣ Each produces its own unique P wave, resulting in a. rhythm with at least three
and multifocal different shapes of P waves
atrial tachycardia
(MAT) rhythms? WAP and MAT are exactly the same rhythms, just with differing heart rates.
6. What is the rate ‣ Mean rate < 100 (50-60s)
of WAP?
7. What is the rate ‣ Mean rate > 100
of MAT?
8. What is the cause ‣ Medication side effects
of WAP? ‣ Hypoxia
‣ Vagal stimulaiton
‣ MI
9. What is the cause ‣ COPD
of MAT? ‣ Heart disease
10. What treatment ‣ Beta blockers or calcium channel blockers if signs of decreased cardiac output
is available for exist
MAT?
, NURS142: Final Exam
Study online at https://quizlet.com/_d9lx4e
11. Characteristics of ‣ Rate: any rate
premature atrial ‣ Regularity: regular but interrupted by the PACs
complexes (PACs) ‣ Premature P waves may be hidden in the T wave of the preceding beat ’deforms
the T wave
’If the PACs P wave is inverted, the PR interval should be the normal 0.12-0.20 secs
‣ Intervals: QRS <0.12; will be absent after a non conducted PAC
12. What is the ‣ Atria become 'hyper' and fire easily, before the next sinus beat is due
cause of prema- ‣ Medications
ture atrial com- ‣ Tobacco
plexes (PACs)? ‣ Hypoxia
‣ Heart disease
13. What are the ad- ‣ Frequent PACs can be an early sign of impending heart failure or impending
verse effects of atrial tachycardia or atrial fibrillation
PACs?
14. What is the treat- ‣ Omit caffeine, tobacco, and other stimulants
ment for prema- ‣ Can give digitalis, calcium channel blockers, or beta blockers to treat PACs
ture atrial com-
plexes (PACs)?
15. What is a noncon- ‣ A premature P wave that is not follow by a QRS complex
ducted PAC?
16. What is paroxys- ‣ Sudden burst of three or more PACs in a row that usurps the underlying rhythm
mal atrial tachy- and then becomes its own rhythm for a period of time
cardia?
Study online at https://quizlet.com/_d9lx4e
1. What causes si- ‣ Vagal stimulation (vomiting; straining for BM
nus bradycardia? ‣ MI
‣ Hypoxia
‣ Digitalis toxicity
‣ Athletes
2. What treatment ‣ None unless the pt is symptomatic
is available for si- ‣ Atropine
nus bradycardia? ‣ Electronic pacemaker
‣ Epinephrine and dopamine
‣ Oxygen
3. What causes si- ‣ Atropine or bronchodilators
nus tachycardia? ‣ Emotional upset
‣ Pulmonary embolus
‣ MI
‣ Congestive heart failure
‣ Fever
‣ Inhibition of vagus nerve
‣ Hypoxia
‣ Thyrotoxicosis (thyroid storm)
, NURS142: Final Exam
Study online at https://quizlet.com/_d9lx4e
4. What is the treat- ‣ Treat the cause
ment for sinus ‣ Persistent sinus tachycardia ’beta blockers to slow HR
tachycardia? ‣ Oxygen
5. What are wan- ‣ Occur when the pacemaking impulses originate from at least three different foci
dering atrial in the atria
pacemaker (WAP) ‣ Each produces its own unique P wave, resulting in a. rhythm with at least three
and multifocal different shapes of P waves
atrial tachycardia
(MAT) rhythms? WAP and MAT are exactly the same rhythms, just with differing heart rates.
6. What is the rate ‣ Mean rate < 100 (50-60s)
of WAP?
7. What is the rate ‣ Mean rate > 100
of MAT?
8. What is the cause ‣ Medication side effects
of WAP? ‣ Hypoxia
‣ Vagal stimulaiton
‣ MI
9. What is the cause ‣ COPD
of MAT? ‣ Heart disease
10. What treatment ‣ Beta blockers or calcium channel blockers if signs of decreased cardiac output
is available for exist
MAT?
, NURS142: Final Exam
Study online at https://quizlet.com/_d9lx4e
11. Characteristics of ‣ Rate: any rate
premature atrial ‣ Regularity: regular but interrupted by the PACs
complexes (PACs) ‣ Premature P waves may be hidden in the T wave of the preceding beat ’deforms
the T wave
’If the PACs P wave is inverted, the PR interval should be the normal 0.12-0.20 secs
‣ Intervals: QRS <0.12; will be absent after a non conducted PAC
12. What is the ‣ Atria become 'hyper' and fire easily, before the next sinus beat is due
cause of prema- ‣ Medications
ture atrial com- ‣ Tobacco
plexes (PACs)? ‣ Hypoxia
‣ Heart disease
13. What are the ad- ‣ Frequent PACs can be an early sign of impending heart failure or impending
verse effects of atrial tachycardia or atrial fibrillation
PACs?
14. What is the treat- ‣ Omit caffeine, tobacco, and other stimulants
ment for prema- ‣ Can give digitalis, calcium channel blockers, or beta blockers to treat PACs
ture atrial com-
plexes (PACs)?
15. What is a noncon- ‣ A premature P wave that is not follow by a QRS complex
ducted PAC?
16. What is paroxys- ‣ Sudden burst of three or more PACs in a row that usurps the underlying rhythm
mal atrial tachy- and then becomes its own rhythm for a period of time
cardia?
