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ACLS – BRADYCARDIA QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+ 2024
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ACLS – BRADYCARDIA QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+ 2024
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ACLS – BRADYCARDIA QUESTIONSAND VERIFIED ANSWERS|100%
CORRECT|GRADE A+ 2024
first degree AV block - ANSWER PR interval is lengthened greater than .20 seconds
second degree AV block type I - ANSWER gradual lengthening of PR interval until a QRS complex is
dropped and only P wave is present
second degree AV block type II - ANSWER regular PR intervals, some P waves are blocked and no QRS
complexes
third degree heart block/complete heart block - ANSWER no relationship between QRS and P waves
drugs used for bradycardia - ANSWER - atropine
- dopamine (infusion)
- epinephrine (infusion)
bradycardia definition - ANSWER any rhythm disorder with heart rate less than 60/min
symptomatic bradycardia - ANSWER signs and symptoms due to slow heart rate
symptomatic bradycardia exists when 3 criteria are present: - ANSWER 1) heart rate is slow
2) patient has symptoms
3) symptoms are due to slow heart rate
symptoms of bradycardia - ANSWER - chest discomfort or pain
- SOB
- decreased LOC
- weakness
, - fatigue
- light-headedness
- dizziness
- presyncope/syncope
signs of bradycardia - ANSWER - hypotension
- drop in blood pressure on standing (orthostatic hypotension)
- diaphoresis
- pulmonary congestion
- frank CHF or PE
- bradycardia-related frequent PVCs or VT
dose of atropine - ANSWER first dose: 0.5 mg bolus
repeat every 3-5 min
maximum of 3 mg
dopamine IV infusion dose - ANSWER 2-20 mcg/kg per minute
epinephrine IV infusion dose - ANSWER 2-10 mcg/kg per minute
Steps of Adult Bradycardia with Pulse Algorithm - ANSWER *Step 1:* Assess appropriateness for clinical
condition, HR typically <50
*Step 2:* Identify and Treat Underlying cause
- maintain patent airway
- oxygen (if hypoxemic)
- cardiac monitor to identify rhythm; monitor BP and oximetry
- IV access
- 12-lead ECG
*Step 3:* Persistent bradycardia causing:
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