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BSN,RN LASALLE ACHIEVE TEST MAP ADULT HEALTH 2 $26.69   Add to cart

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BSN,RN LASALLE ACHIEVE TEST MAP ADULT HEALTH 2

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SENIOR YEAR -ADULT HEALTH 2 Client with Acute and Complex Conditions LASALLE ACHIEVE BSN,RN

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  • October 30, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
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mooret7
Dysrhythmias
What are the normal ranges for heart rate, PR interval, QRS, and QT interval?
 Heart rate: 60-100 bpm
 PR interval: 0.12- 0.20 sec
 QRS complex: ≤ 0.12 sec
 QT interval: 0.32- 0.40 sec

How do you identify the following rhythms: sinus rhythm (SR), sinus bradycardia (SB),
sinus tachycardia (ST), atrial flutter, atrial fibrillation, ventricular tachycardia (VT),
ventricular fibrillation (VF), asystole.
Sinus Rhythm
 Heart rate, PR interval, QRS complex, and QT interval is within normal range
 Indicative of good cardiac health
o A resting heart rate of 80+ increases the risk of cardiovascular disease




Sinus Bradycardia
 Heart rate is > 60 bpm
 Causes
o Vagus nerve stimulation
o Medications- beta- blockers
 Assessment
o Hemodynamic stability
o Asymptomatic vs symptomatic
 Hypotension
 Dyspnea
 Alteration in mental status
 Angina
 Management/Treatment
o Atropine
o Transcutaneous pacing
o Dopamine & epinephrine

, Sinus Tachycardia
 Heart rate is < 100 bpm
 Causes
o Physiologic or psychological stress
o Medications- atropine, amphetamines ; illicit drugs
o Autonomic dysfuction = POTS
 Tachycardia without hypotension (check hydration status)
 Management/Treatment
o Vagal maneuvers
o Synchronized cardioversion
o Adenosine




Atrial Fibrillation
 Most common arrythmia
 Caused by structural or electrophysiologic abnormalities
 Increased risk for heart failure, myocardial ischemia, mitral valve dysfunction, and stroke
 Characteristics
o Rapid atrial rate 300-600 bpm
o Irregular rhythm
o No discernible p wave
o Can not measure PR interval
 Can be paroxysmal (occurs periodically), persistent (lasts > 7 days), or permanent (lasts <
12 months)
 Assessment
o History & physical
o 12 lead EKG
o Labs
 Thyroid function
 Renal function
 Hepatic function
 Management/Treatment
o Anticoagulants & antiplatelets
o Beta-blockers
o Amiodarone
o Electrical cardioversion
 Only for patients who are hemodynamically unstable and not responding
to medications
o Catheter ablation, maze procedure, or pacemaker

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