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Basic Dysrhythmia Test – Questions & Correct Answers (Perfectly Answered)
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Basic Dysrhythmia Test – Questions & Correct Answers (Perfectly Answered)
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Basic Dysrhythmia Test – Questions & Correct Answers(Perfectly Answered)
What is the flow of conduction in the heart? Right Ans - SA Node --> AV
Node --> Bundle of His --> Purkinje fibers
Identify the parts of the conduction system Right Ans - Left side: SA node,
AV node, Right bundle branch
Right side: Bundle of His, Left bundle branch, Left anterior division, Left
posterior division
In which AV block should we use Atropine with caution? Right Ans - 2nd
degree TYPE 2
What is the special quality of the heart in relation to other muscles in the
body? Right Ans - The heart generates its own electrical impulses
What is the normal HR when the SINUS node is in charge of heart conduction?
Right Ans - 60-100 bpm
What is the normal HR when the AV node is in charge of heart conduction?
Right Ans - 40-60 bpm
What is the normal HR when the Purkinje Fibers is in charge of heart
conduction? Right Ans - 20-40 bpm
What does the P-wave represent? Right Ans - Atrial depolarization
What does the QRS complex represent? Right Ans - Ventricular
depolarization
What does the T wave represent? Right Ans - Ventricular repolarization
Why is there no wave representing atrial repolarization? Right Ans - Atrial
repolarization is covered by the ventricular depolarization wave
What is the danger of a prolonged QT interval? Right Ans - Mailed to types
of ventricular tachycardia
, One small box Right Ans - 0.04 seconds
One large box Right Ans - 0.20 seconds (5 tiny boxes)
Normal PR interval Right Ans - 0.12-0.20 seconds
Normal QRS complex Right Ans - 0.04-0.10 seconds
Normal QT interval Right Ans - Less than 0.46 seconds
J Point Right Ans - Junction between end of QRS complex and start of T
wave
To measure ST segment Right Ans - Begin one small square past J point
5 Critical Rhythms Right Ans - Ventricular Fibrillation
Ventricular Tachycardia
Asystole
3rd Degree AV block
ST elevation
General Interventions Right Ans - Always assess the patient first
RRT and PCP or Code
12-lead EKG
Cardiac enzymes
Patent IV
Initial Interventions for ST elevation Right Ans - M: morphine
O: oxygen
N: nitroglycerin
A: aspirin
- prepare for Cath lab
6 Basic Steps for Rhythm Interpretation Right Ans - HR
Rhythm
P-wave
P-R interval
QRS width
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