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NUR 423 Exam 2 EKG & Heart Rhythms | Nursing Study Guide & Exam Prep

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Prepare for NUR 423 Exam 2 with this focused study resource covering EKG interpretation and heart rhythms. Review essential cardiac concepts, rhythm identification, ECG interpretation, and key topics commonly studied in nursing courses. Ideal for NUR 423 students, nursing students, EKG review, cardiac rhythm preparation, and exam study, this resource helps reinforce important concepts and supports effective exam preparation.

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NUR 423 Exam 2 - EKG, Heart Rhythms
NUR 423 Exam 2 - EKG, Heart Rhythms
Study online at https://quizlet.com/_gn576y

1. Sinus Rhythm - Normal rhythm
- PR interval 0.12-0.20 seconds




2. Sinus Bradycardia - Normal rhythm
- Rate less than 60



3. Sinus Brady Caus- - Lower metabolic needs
es - Vagal stimulation
- ICP
- Medications

4. Sinus Tachycardia - Normal rhythm
- Rate greater than 100



5. Sinus Tachy Caus- - Stress
es - POTS
- Medications

6. Sinus Tachy Treat- - Vagal maneuvers
ment - Adenosine
- Cardioversion
- Beta blockers

7. Premature Atrial - Premature atrial impulse
Complex (PAC) - Early P wave
- Irregular rhythm
1/5

, NUR 423 Exam 2 - EKG, Heart Rhythms
NUR 423 Exam 2 - EKG, Heart Rhythms
Study online at https://quizlet.com/_gn576y




8. PAC Causes - Caffeine
- Alcohol
- Nicotine
- Hypokalemia
- ANxiety

9. Atrial Fibrillation - Rapid, disorganized twitching of atrial muscle
- No P waves
- Atrial rate: 300-600
- Ventricular rate: 120-200



10. Afib Causes - HT
- Diabetes
- Valvular heart disease
- MI
- Hypothyroidism

11. Afib treatment - Cardioversion
- Medications for conversion

12. Premature Ven- Impulse that originates in ventricles before next normal sinus impulse
tricular Complex
(PVC)

13. PVC Causes - Caffeine
- Nicotine
- Alcohol
- Increased workload


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