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cardiac dysrhythmias Questions and Answers 100% Solved
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cardiac dysrhythmias
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Chapter 29- Drugs for DysrhythmiasThe client has a diagnosis of junctional rhythm. The nurse would expect to find which of
the following during the assessment of vital signs?
a. Heart rate < 30
b. Heart rate 40-60
c. Heart rate 60-100
d. Heart rate 100-120 - answerAnswer: b. Heart rate 40-60
Objective: Classify dysrhythmias based on their location and type of rhythm
abnormality.
Rationale: The AV node has a property of automaticity and can generate action
potentials and continue heart contractions of 40-60 beats per minute.
Cognitive Level: Assessment
Client Need: Physiological Integrity
Nursing Process: Application
The nurse in the telemetry unit explains two nonpharmacological treatments such as
___________, or ___________, can be used to treat dysrhythmias.
a. ECG; pacemaker
b. Cardioversion; defibrillation
c. Aspirin; Plavix
d. Exercise; stress test - answerAnswer: b. Cardioversion; defibrillation
Objective: Identify the importance of nonpharmacological therapies in the treatment of
dysrhythmias.
Rationale: The more serious types of dysrhythmias are corrected through electrical
shock of the heart, a treatment called elective cardioversion, or defibrillation.
Cognitive Level: Implementation
Client Need: Health Promotion and Maintenance
Nursing Process: Comprehension
The client is scheduled for implantable cardioverter defibrillators (ICD) for treatment of a
dysrhythmia. The nurse explains that the action of this procedure is to:
a. Trigger electrical impulses to the heart.
, b. Take over SA node function.
c. Block AV node transmission of impulses.
d. Increase ventricular conduction. - answerAnswer: a. Trigger electrical impulses to the
heart.
Objective: Identify the importance of nonpharmacological therapies in the treatment of
dysrhythmias.
Rationale: Implantable cardioverter defibrillators (ICD) are placed in clients to restore
normal rhythm by either pacing the heart or giving it an electric shock when
dysrhythmias occur. Temporary cessation of electrical activity will stimulate the ICD to
release a charge to the SA node to automatically return conduction to normal sinus
rhythm.
Cognitive Level: Implementation
Client Need: Health Promotion and Maintenance
Nursing Process: Application
A priority nursing intervention for a client receiving quinidine sulfate (Quinidex) for
treatment of dysrhythmias is:
a. Monitoring for GERD.
b. Monitoring respiratory status.
c. Monitoring for constipation.
d. Monitoring blood glucose. - answerAnswer: b. Monitoring respiratory status.
Objective: Know representative drug examples for each of the drug classes listed in
Drugs at a Glance, and explain their mechanisms of action, primary actions, and
important adverse effects.
Rationale: Quinidine can cause an arterial embolism related to formation of small clots
in the atrium that occur while the client is treated for atrial fibrillation.
Cognitive Level: Implementation
Client Need: Physiological Integrity
Nursing Process: Analysis
The nurse recognizes that the action of beta blockers for treatment of dysrhythmias is:
a. Positive inotropic effect.
b. Negative inotropic effect.
c. Positive chronotropic effect.
d. Negative chronotropic effect. - answerAnswer: d. Negative chronotropic effect.
Objective: Identify the primary mechanisms of antidysrhythmic drugs.
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