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WorksheetsRhythm identification
Total questions: 47
Worksheet time: 29mins
The QRS complex is normally __________ seconds in duration
0.06 to 0.10
0.04 to 0.10
0.08 to 0.12
0.10 to 0.12
AV Node can fire at a rate of?
60-100 times per minute
40-60 times per minute
40-20 times per minute
60-20 times per minute
The SA Node generates impulses at?
60-100 times per minute
60-40 times per minute
40-20 time per minute
20-100 times per minutes
The normal heart rhythm is called?
Sinus brady
ventricle fibrillation
Normal sinus rhythm
Junctional Rhytms
Normal heart rate for an adult is?
20 to 100/min
40 to 120/min
60 to 100/min
20 to 60/min
1. Prominent U waves are seen in:
Hypokalemia
myocardial infarction.
digitalis toxicity.
All of these
P Wave:
SA Nodes contracts
Both atria contracts
Impulses reach the av node 0.10 delay allows
repolarization or recovery of the ventricles
Impulses hit av bundle branch off into two bundles down front of heart into purkinje fibers
How would you correct artifact from somatic (muscle) tremor?
Turn their cell phone off
Check the leads
Give the patient a blanket
Push the "AC Interference" button on the machine
Who would be a candidate for a right sided EKG on?
A patient with Dextrocardia
A patient with Situs Inversus
A patient that needs nuclear testing
A patient with a L. lower extremity amputation
Which of the following lead groups are bipolar leads?
A. leads 1,2 and 3
B. leads 1 and 2
C. leads 2 and 3
aVL picks up from the center of the____to the____.
A. p wave
B. heart to left arm
C. heart to right arm
aVF picks up from the center of the ____ to the ____.
A. heart to right leg
B. heart to left leg
C. heart to both legs
Leads 1 through 3 are collectively known as/
A. all leads
B. standard leads
C. leads
Lead 2 picks up from the___to the___.
A. right arm to the left leg
B. right arm to the right leg
C. left arm to the left leg
An EKG is working with a patient who has a below-the-knee amputation of the left leg. Where should the EKG technician place the right leg electrode?
A. on the right arm
B. on the lower right torso
C. on the lower right leg
A technician is preparing a patient for a 12 lead EKG.What is the correct placement fro lead V4?
A. 3rd intercostal space on the left mid-clavicular line
B. 5th intercostal space on the left mid-clavicular line
C. 4th intercostal space on the left mid-clavicular line
What is the only calculating method available for both regular and irregular rhythms?
A. 1500 method
B. R to R method
C. 6 second method
For what patient could an EKG technician expert to see somatic interference on the EKG monitor?
A. 20 year old man seizing
B. a sneeze
C. a fibrillation
Which of the following symptoms is most likely to be consistent with bradycardia?
Hyperventilation
Blood pressure of 100/80
Cold and clammy skin
Pulse rate of/min
Which of the following actions should an EKG technician perform on EKG cables to prevent the transmission of microorganisms?
Sterilize with heat
Clean with acetone
Wipe with disinfectant
Soak with alcohol
Which of the following methods for calculating a patient's heart rate from the EKG is correct?
Calculate the mean rate and divide 1,500 by that rate
Count the number of small boxes in two cardiac cycles
Divide 1,500 by the number of small boxes in two R waves
Count the number of large boxes between P and T waves
Which of the following intervals should be used to determine the regularity of ventricular depolarization?
P-P
R-R
QT
PR
In a normal patient, which of the following is the expected shape and direction of the P was in lead II?
Peaked and upright
Peaked and inverted
Rounded and inverted
Rounded and upright
An EKG technician detects a U wave, and the patient reports chest pain and discomfort. Which of the following is an appropriate action for the technician to take?
Reposition the patients chest electrodes
Perform another EKG recording
Notify the patients physician
Check the patient and the room for causes of artifact interference
The point at which the QRS complex meets the ST segment is called the:
QT junction.
ST interval.
J point.
RS point.
ST segment depression suggests:
Myocardial ischemia
Myocardial injury/infarction
Pericarditis
A healthy heart
Define Depolarization
Contraction
Relaxation
The QRS complex is normally __________ seconds in duration
0.06 to 0.10
0.04 to 0.10
0.08 to 0.12
0.10 to 0.12
PR interval is the same at _________ seconds
0.06 to 0.10
0.10 to 0.12
0.12 to 0.20
0.20 to 0.25
Rhythm that is slow or fast is considered
Tachycardia
Bradycardia
Irregular
Abnormal
The advantages of the 300, 150 method is all of the following except
Quick
accurate
Used when the rhythm is irregular
More precise
How do you determine the 1500 method
Count the number of small squares between two consecutive R waves
Find a R wave located on a bold line and then find the next consecutive R wave. If it is on a bold line then the heart rate is the value of that line
Identify two successive 3-second marks. Count the number of QRS complexes in that 6 second section. Multiply by 10
Position the start mark on an R wave, then find the next consecutive R wave. Where the next R wave lines up is the approximate heart rate.
Which of the following isn't apart of the nine main elements of the ECG tracing
T waves
QRS complexes
1500 method
PR intervals
Where is V1 located
Nipple line
Axillary line
4th intercostal space left sternal border
4th intercostal space right sternal border
Where is V4 located
4th intercostal space
inbetween V2 and V3
Axillary line
5th intercostal space midclavicular line
Where is V3 located
Nipple line
In between V2 and V4
Below V1
Axillary line
A patient complaining about left sided arm pain, nausea, and diaphoresis should be evaluated for:
Congestive Heart Failure (CHF)
Diabetes
Myocardial Infarction (MI)
Chronic Obstructive Pulmonary Disease (COPD)
The nurse is determining the functioning of a patient’s sinoatrial node. How many times per minute should the nurse expect the node to normally fire?
20 to 40
25 to 55
40 to 85
60 to 100
