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NS 233 Exam 1- Questions and Answers 100% Correct
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NS 233 Exam 1- Questions and Answers 100% Correct
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NS 233 Exam 1- Questions and Answers 100% CorrectMedications used to treat SVT Correct Ans-Slow HR: Beta blockers, calcium channel
blockers,
Convert to sinus rhythm: Adenosine
Atrial fibrillation Correct Ans-Increased irritability of atrial tissue, electrical impulses are
generated in various places in the atria, the atria quiver and are disorganized.
Characteristics of A-fib Correct Ans-- Wavy baseline w/no true p-waves; cannot measure a
PT or QT interval, R-R intervals and rhythm irregular; secondary to random electrical impulses
going through AV node. Only need to measure QRS.
What does A-fib occur with? Correct Ans-MI or Heart disease
In an EKG, what are atria represented by? Correct Ans-P-Waves
Assessment of atrial fib Correct Ans-- What is the HR?
- What symptoms are they displaying?
, NS 233 Exam 1- Questions and Answers 100% Correct
Goals of A-fib treatment Correct Ans-Prevent thromboembolic complications
Control HR (60-100 bpm) (some can live in a-fib, but not a fast a-fib)
Convert to Sinus
With A-fib, ________ can occur, such as ______ due to _______ traveling to the _______
Correct Ans-thromboembolic complications, ischemic strokes, blood clots, brain.
Medications to treat a-fib Correct Ans-Anticoagulants to prevent thromboembolic
complications: Heparin, warfarin
Medications to slow HR: beta blockers, calcium channel blockers
Convert to sinus: Adenosine
Non-drug A-fib treatments Correct Ans-Cardioversion, ablation
A-flutter Correct Ans-Irritability on a single site w/in the atria.
, NS 233 Exam 1- Questions and Answers 100% Correct
Characteristics of A-flutter Correct Ans-- Saw-toothed/jagged baseline w/no true p-waves
noted (can't measure PR or QT)
With A flutter, the R to R may be ___ or ____ Correct Ans-regular or irregular
A-flutter rhythm is ____ Correct Ans-Regular
With A-flutter, the atria _____? Correct Ans-quiver
A-flutter often occurs with what? Correct Ans-MI or heart disease
When do atrial dysrhythmias need to be treated? Correct Ans-When symptoms occur
Assessment findings that require attention (atrial dysrhythmias) Correct Ans-- Pale, cool,
clammy (damp) skin
- Nausea and vomiting (N/V)
- Dizziness, weakness, and faintness,
, NS 233 Exam 1- Questions and Answers 100% Correct
- SOB
- Hypotension
- Dyspnea
- Tachycardia
- Diaphoresis
- Mild to severe chest pain
- Confusion or disorientation
- Cyanosis
- Decreased urinary output
- Unresponsiveness
Normal PR interval Correct Ans-Less than or equal to 0.20
Normal QRS complex Correct Ans-Less than or equal to 0.12
Normal QT interval Correct Ans-Less than or equal to 0.44
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